Jnumal nf Educational Psychology 1986, Vol. 78, No- 4. 243-255 Copyright 1986 by the American Psychological Association, Inc. OO22-O663/86/SOO.75 Acquisition of Literacy: A Longitudinal Study of Children in First and Second Grade Connie Juel, Priscilla L. Griffith, and Philip B. Gough This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. Department of Curriculum and Instruction, University of Texas at Austin The purpose of this study was to test a model of early literacy acquisition. The model focused on development in word recognition, spelling, reading comprehension, and writing, and on the interrelation of growth in each of these skills. Longitudinal data were collected as students went from first through second grade. Incoming characteristics (i.e., ethnicity, IQ, oral language) and the rate at which each child progressed through his or her reading books were related to growth in phonemic awareness, spelling-sound knowledge, and lexical knowledge. The impact of these factors on development in word recognition and spelling was explored. Additionally, the relation of word recognition and listening comprehension to reading comprehension, and the relation of spelling and ideation to story writing, were examined. Results strongly suggest that without phonemic awareness, exposure to print does little to foster spelling—sound knowledge. The relation between word recognition and spelling was shown to be especially strong, because development of both skills appears to rely on similar sources of knowledge. The relation between reading comprehension and writing appeared less strong, because the generation of ideas involved in story production did not appear isomorphic to the processes involved in reading comprehension. & Armstrong, 1974; Grimmer, 1970; Heil, 1976; Woodfin, 1968) or by examining the extent to which instruction in one area transferred to the other area (e.g., Doctorow, Wittrock, & Marks, 1978; Smith, Jensen, & Dillingofski, 1971). Both of these types of studies of early reading and writing have tended to show an association between improved writing skills and improved reading comprehension. However, the correlation is not uniformly robust, and results do not follow any systematic pattern. (For an excellent review of this area see Stotsky, 1984). It is perhaps because neither line of study into the reading-writing relation attempted to examine the patterns of cognitive abilities which may serve as the foundation for these skills that the precise nature of their interrelation has not yet been clearly defined. A recent study by Shanahan (1984) began to address this problem. Shanahan used factor analysis to describe the relations among multiple reading and writing measures of second- and fifth-grade students as well as between beginning and advanced readers. His results indicated that the reading-writing relation changes with reading development. Among beginning readers a word production (spelling) and word recognition (phonics) factor explained the largest amount of variance. For advanced readers the spelling contribution was not as important as a vocabulary diversity variable. Shanahan's results indicated that the reading comprehension and writing skills of young children are influenced primarily by word-level skills (e.g., decoding and spelling), and support the hypothesis that automatic lower level skills arc critical to higher order cognitive processes. With automatic word recognition, attention can be more fully focused on comprehension (LaBerge & Samuels, 1974). Early efficient word recognition seems to lead to better comprehension than does the reverse order (Calfee & Piontkowski, 1981; Lesgold, Resnick, & Hammond, 1985). The direc- The acquisition of literacy can be defined as acquiring the ability to both comprehend and produce written text. The current study was an attempt to describe the growth of literacy through the first two grades and to assess the effects of various incoming characteristics (e.g., ethnicity, oral vocabulary) and school-developed skills (e.g., spelling) on that growth. Specifically, the study focused on development in word recognition, spelling, reading comprehension, and writing, and on the interrelations of growth in these skills. There has been a growing interest in these questions in recent years. To date, only partial answers have been offered, because the typical study has examined but one pair of the above four skills. For example, the link between word recognition and spelling has been the object of a number of investigations (e.g., Ehri, 1980; Henderson & Chard, 1980; Marsh, Friedman, Welch, & Desberg, 1980), as has the connection between invented spellings and early writing attempts (Chomsky, 1979; Read, 1981). The relation between children's reading comprehension and their developing writing skills has frequently been studied either by looking at various components of writing (e.g., sentence structure and vocabulary) as they relate to reading achievement (e.g., Baden, 1981; Bippus, 1977; Evanechko, Ollila, We wish to thank the children of Houston Elementary School and the following teachers, who so graciously allowed us into their classrooms: Juanita Ball, Susan Crone, Beverly Dantley, Rita Espinoza, Mary Kay Gerut, Cynthia Hipp, Althca Josey, Adella Mancias, Janie Martinez, Jane Mullen, Robert Sardaneta, Maria Seloff, Diane Smothermon, Marsha Tread way, and Joan Woods. We would also like to thank both the principal, Arturo Guerrero, and the librarian, Sherry Healcy, for their assistance with the research. Correspondence concerning this article should be addressed to Connie Juel, University of Texas at Austin, Department of Curriculum and Instruction, EDB 406, Austin, Texas 78712. 243 This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. 244 C. JUEL, P. GRIFFITH, AND P. GOUGH tionality of the lower order skill, spelling (whether invented or standard), to the higher order skill of writing is less clear. Several theorists, including Bereiter (1980), Gundlach (1981), and Scardamalia (1981), have commented on the necessity for many aspects of the writing process (e.g., spelling) to become automatic so that the attention of the writer is available for the different aspects of composing (e.g., organization of ideas). Thus it may be that if the lower order process of spelling requires extended conscious attention, then spelling skill will influence the writing process more than the higher order composing processes will. For many children, automaticity in word processing skill seems to occur very early—by second or third grade (Doehring, 1976; Golinkoff & Rosinski, 1976; Guttentag & Haith, 1978, 1979, 1980; Rosinski, 1977; Rosinski, Golinkoff, & Kukish, 1975; West & Stanovich, 1979). But in first grade we should expect to see writing dominated by spelling ability, and reading comprehension controlled by word recognition skill. Higher order "thinking" processes should begin to have more of an impact on writing and reading by the end of second grade. The degree to which reading and writing arc similar skills will depend both on the extent to which word recognition and spelling rely on similar sources of information and on the extent to which reading comprehension and writing involve similar thinking processes. In particular, an emphasis on the similarity of thinking processes involved in reading and writing has led several theorists to view them as mirror images of a common skill, an ability to relate printed and spoken language. Indeed, the so-called transactional view of reading, which holds that the reader reconstructs the author's message, is based on this premise (cf. Rosenblatt, 1978). Certainly both reading and writing require knowledge of the language (e.g., English) underlying its printed and spoken forms, and both require knowledge of that language's orthography (i.e., the rules that relate its printed and spoken forms). If reading and writing further require the same constructive thinking processes, then it is possible that both reading and writing are simply different manifestations of a single common skill (Squire, 1984; Tierney & Pearson, 1984). But it is also possible that the relation is much looser than this. Of the two components of literacy, reading and writing, the ability to produce well-constructed text is surely the more difficult. Reading occurs most typically at the level of reading for meaning (Baker & Brown, 1984) and involves keeping track of whether comprehension is proceeding smoothly. Understanding at this level may not involve reflection or organization of information for later recall. Writing, on the other hand, seems to require some creativity, the generation of ideas, and the ability to organize these ideas, which is not necessary for reading (though see the transactionalists). We adopt, as a working hypothesis, this latter view; that is, we suppose that reading and writing are distinctly composed. The view of literacy that guided this study is simple; some will find it simplistic. But we defend this approach, for we believe there is a great virtue in seeing how far a simple model will take us. For one thing, a model is not wrong just because it is simple; it is wrong only if it yields false predictions. But even more important, if it is wrong, one can see where it went wrong and so advance our understanding, a benefit that complex models seldom afford. Thus we are determined to take what we see as the simplest possible view until the data force us to do otherwise. We begin with a simple view of reading (cf. Gough & Tunmer, 1986) that reading is composed of (a) decoding (i.e., word recognition) and (b) listening comprehension. This is not to suggest that either of the components, decoding and listening comprehension, is simple in itself but to argue that these two skills are the critical components of reading. That is, we suppose that reading crucially involves decoding, the ability to translate print into linguistic form. But we do not suppose that decoding alone is sufficient for reading. Having derived the linguistic form represented in print, the reader must then comprehend that form. To do this, we suppose that the reader employs the same mechanisms, the same knowledge of morphology, syntax, semantics, and pragmatics that are used in the comprehension of spoken language in order to understand decoded print. We recognize that written text has certain distinctive characteristics from speech with differential impact upon the comprehension process (cf. Rubin, 1980). But we are inclined to agree with those researchers who emphasize the commonality of the demands of written and spoken language upon the comprehender (cf. Sticht & James, 1984). Thus, we believe that given perfection in decoding, the quality of reading will depend entirely on the quality of the reader's comprehension; if a child's listening comprehension of text is poor, then his reading comprehension will be poor, no matter how good his decoding. In like manner, we suppose that writing is composed of (a) spelling and (b) ideation (i.e., the generation and organization of ideas). We are sure that both spelling and ideation are complex processes. For example, Flower and Hayes (1980) have outlined an extensive model of how ideation involves planning, reflection, and revision of writing in the skilled adult writer. But we believe that spelling and ideation are the two components that best characterize the act of writing. Although in the absence of ideas spelling is an empty skill, the best of ideas cannot be written without at least a modicum of spelling ability. On the surface, then, we suppose that reading and writing are each composed of two distinct abilities, decoding and comprehension in one case, and spelling and ideation in the other. But we do assume that decoding and spelling share a common denominator. This is the set of spelling-sound correspondence rules of the language, or what we may call its orthographic cipher. The cipher is thus implicated in both decoding and spelling. But neither decoding nor spelling can be reduced to knowledge of the cipher. Decoding regular and unequivocal words like crisp and jump and spell requires only knowledge of the spelling-sound correspondence rules of English. But there are (at least) two types of words that cannot be decoded with the cipher alone. One is that of irregular words, This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. ACQUISITION OF LITERACY hkspintj which apparently violate those rules. The other is that of words which incorporate equivocal letter sequences, sequences to which more than one correspondence rule can be applied, like steak (compare leak and head, to say nothing of area). Thus decoding requires, in addition to the cipher, considerable specific lexical knowledge, knowledge of which rules do (and do not) apply to which particular words. The only way to gain lexical knowledge appears to be through exposure to printed words. Similarly, spelling cannot be accomplished with only the cipher. Knowing the cipher, it would be difficult to misspell dish or gun or lamp. But again there are apparently two sets of exceptions, the irregulars (like pint) and the equivocals (like green, which might as well be written greari). Neither decoding nor spelling, then, can be accomplished with only the rules of the cipher. Both require, in addition, knowledge about specific items in the lexicon, about which rules do (or do not) apply to specific words. Thus the decoder must learn which pronunciation of ea applies in beak and break, the speller, that I'll is spelled ea in mean but ee in green. So we posit that both decoding and spelling are composed of (a) the cipher and (b) knowledge of specific lexical items, or what we call lexical knowledge. It is evident, then, that in our view, the cipher is at the heart of early literacy. It is the basic component of decoding, which is one of the two components of reading. At the same time, the cipher is a basic component of spelling, which we hold to be a necessary component of writing. We believe that knowledge of the cipher itself can be traced to two factors. On the one hand, there is phonemic awareness. The evidence now seems overwhelming that the knowledge that the spoken word can be broken down into smaller units (i.e., its phonemes) is a powerful determinant of reading acquisition (cf. Bradley & Bryant, 1983; Share, Jorm, Maclean, & Matthews, 1984; Torneus, 1984; Tunmcr & Nesdale, 1985). We view this variable as a necessary, but not sufficient, component of the cipher. That is, it is hard to imagine how one could learn the spelling—sound correspondence rules without awareness of the sounds which those rules implicated. But at the same time, phonemic awareness could not possibly lead to decoding or spelling without some experience with print, that is, without some experience that demonstrated to the aspiring reader which letter or letter sequence went with which sound. Thus we posit that knowledge of the cipher is composed of (a) phonemic awareness and (b) experience with print. However, we stress the idea that until some prerequisite amount of phonemic awareness is attained, exposure to print will do little to increase knowledge of the cipher. Children enter first grade with varying degrees of phonemic awareness. Some children may lack almost any awareness of the sounds within words, perceiving them as inseparable single "sound" units, whereas other children may be relatively sophisticated in phonemic awareness, able to rhyme words, speak Pig Latin, and so forth. Environmental influences, such as rich exposure to the English language in the home, and their interplay with a child's natural abilities, could cause such differences. We suspect 245 that the relatively poor reading achievement of minority students is partly attributable to poorer phonemic awareness of school English due to dialect and second-language differences, and perhaps cultural differences. The latter may involve such things as "playing" with words at home through rhyming games, exposure to printed word rhymes as in nursery rhymes and Dr. Seuss books. Because relatively little training in oral phonemic awareness occurs in first grade, children entering with poor phonemic awareness would appear disadvantaged if, indeed, a causal relation exists between phonemic awareness and growth in cipher knowledge. The model of literacy acquisition we are hypothesizing is shown in Figure 1. The model includes what we take to be the primary variables in literacy acquisition in first and second grade. It is hypothesized that ethnicity, IQ, and oral language influence development of phonemic awareness; then, through phonemic awareness, these incoming characteristics influence the early stages of literacy acquisition. That is, initially, the influence of incoming characteristics such as IQ is strongest through their influence upon phonemic awareness. We realize this is a strong statement, but believe it is justified because several studies have shown that phonemic awareness is a more powerful predictor of literacy acquisition than are more generalized measures of intelligence (Bradley & Bryant, 1983; Share et al., 1984; Stanovich, Cunningham, & Feeman, 1984; Tunmer & Nesdale, 1985). We hold that the reason for this finding is that phonemic awareness is critical for achieving the first step in becoming an independent reader: gaining spelling—sound knowledge (or what we call cipher knowledge) (Gough & Hillinger, 1980; Gough, Juel, & Roper/Schneider, 1983). Phonemic awareness combined with exposure to print contributes to cipher knowledge. Neither alone will suffice to foster cipher knowledge. Thus, a child can be exposed to lots of print (i.e., all the first-grade readers), but still not develop cipher knowledge unless the insight of phonemic awareness was first in place (or occurred early in the print exposure). Exposure to print also fosters lexical knowledge (i.e., knowledge of which cipher rules apply or do not apply to particular words). The combination of cipher and lexical knowledge can provide the information with which to spell and recognize words. Spelling combined with ideas yields the basis for writing; word recognition combined with the skills involved in listening comprehension produces reading comprehension. The model is simplified in that only those influences which we believe are primary influences on a factor are depicted. For example, exposure to print no doubt influences phonemic awareness, but it is not viewed as a primary shaper of phonemic awareness. The model is also simplified in that the factors are rather global in nature. We have not, for example, attempted to break down "listening comprehension." Certainly listening comprehension involves both oral language and IQ, but we are not prepared to define how they operate with other factors to form listening comprehension. The purpose of the current study was simply This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. 246 C. JUEL, P. GRIFFITH, AND P. GOUGH Listening Comprehension Reading I Comprehension! Figure 1. Proposed model of literacy acquisition. to test the validity of the components in the model and the hypothesized relations among them. Method Subjects The children attended a large, lower middle-class school in Austin, Texas. Permission slips to participate in the study were sent to all parents of first-grade children at the beginning of the 1982 school year. All first-grade children in the school from whom we obtained parental permission were included in the study. The original sample consisted of 129 first-grade children: 56 Anglo Americans, 43 Hispanic Americans, and 30 black Americans. Approximately half of each ethnic group was female. The children continued to be tested through second grade. By the end of their second-grade year, 80 subjects remained. Nine children had been retained at the end of first grade, and 40 children left the school between the beginning of first and the end of second grade. Almost all the children in our study lived in the same lower middle-class housing subdivision. The children were scattered among eight classrooms in first grade, and seven classrooms in second grade. At the beginning of first grade the children were placed in one of two basal reading series. Fifty-eight children were placed in the 1980 American Book Company (ABC) series, and 71 children were placed in the 1980 Scott Foresman (SF) series. Both series are "eclectic" in nature, blending sight word, phonics, and use of context in approaches to word identification. There was no significant difference in Metropolitan Readiness Test (MRT; Nurse & McGauvran, 1976) scores between children in the two series (mean SF MRT = 53.5; mean ABC MRT = 55.9; F{\, 126) = 0.23, p = ns, MSC - 165.9). Both basal programs were supplemented with a synthetic phonics program developed by the local school district. Each teacher spent the first 20 to 30 min of each reading period on this whole-class phonics instruction. The district provided the teachers with a script from which to teach these lessons. Thus, the daily phonics instruction was standardized across the classrooms. Procedure IQ. At the beginning of second grade we administered the vocabulary and block design subjects from the Wechsler Intelligence Scale for Children-Revised (WISC-R). Results of these two subtests were summed to form an estimated IQ score. The test-retest This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. ACQUISITION OF LITERACY reliability is .86 on the WISC-R vocabulary subtest and .85 on the block design subtest. Oral language and listening comprehension. The Metropolitan Readiness Test was administered by the school district in September of first grade. We were particularly interested in the language subtest, which assesses school language and listening comprehension. It involved marking pictures that correctly illustrate the meaning of orally presented short passages. The test-retest reliability of this subtest is .72. Similar to this subtest is the listening comprehension subtest of the IOWA test (Hieronymous, Lindquist, & Hoover, 1980). It was administered by the school district at the end of April and the beginning of May in both grades. The composite test-retest reliability on the IOWA is .98. Phonemic awareness. In October, February, and April of first grade and in October and April of second grade we administered a phonemic awareness test developed by Roper/Schneider (1984). This oral test has six subtests, each with seven items, and is individually administered. The subtests are (1) phonemic segmentation (e.g., "Say 'no.' What are the 2 sounds in 'no'?"); (2) blending (e.g., "Say /n/,/i/,/s/. What word is /n/,/i/,/s/?"); (3) deletion of first phoneme (e.g., "Say 'top.' Now say 'top' without the /t/."); (4) deletion of last phoneme (e.g., "Say 'same.' Now say 'same' without the /m/."); (5) substitution of first phoneme (e.g., "Say 'ball.' Instead of/b/, begin a new word with /k/."); (6) substitution of last phoneme (e.g., "Say 'park.' Instead of /k/, end a word with /t/."). The seven alpha coefficients, representing the average of all possible split-half reliabilities, are greater than .7 for all subtests. Details on test development can be found in Roper/Schneider (1984). Exposure to print. In October of first grade we also determined the first measure of exposure to print, which we called place in series. This measure represented the number of words seen in running text in the basal series to which each child was assigned at the time of testing. Place in series was computed for October, February, and April of each grade. Although we use this measure to estimate exposure to print, we recognize the children were exposed to print outside of school. However, in informal discussions at the end of the study (when the children and testers had become quite at ease and friendly with each other), very few of the children said they read outside of school, and even fewer (i.e., less than 5%) could tell about stories they had read. Though clearly inexact, place in the basal scries probably reflects the amount of the print that was read by many of these first- and second-grade children, and it seems logical that those children who were further ahead in the basal readers are also the ones more likely to read at home. Cipher knowledge. In October, February, and April in first grade and in November and April in second grade, the Bryant Test of Basic Decoding Skills (Bryant, 1975) was individually administered. The Bryant test consists of a list of 50 nonsense words, which children are to read aloud. The test reliabilities (Cronbach's alpha) are .96 for first grade and .90 for second grade. Lexical knowledge. We used the IOWA spelling subtest as a measure of lexical knowledge. The spelling subtest requires recognition of words that are incorrectly spelled. Word recognition and spelling. In April of first and second grade we administered the spelling and reading subtests of the Wide Range Achievement Test (WRAT; Jastak, Bijou, & Jastak, 1978). These are production tests. The spelling test requires a child to write words pronounced orally by the tester. The reading subtest requires a child to pronounce individual words. The testretest reliability is .97 on the WRAT spelling test and .96 on the WRAT word-recognition test. 247 Reading comprehension. We used the reading comprehension subtest of the IOWA to assess reading comprehension. The reading comprehension subtest requires comprehension of both sentences and stories. It was administered by the school district at the end of April and the beginning of May in both grades. Writing. In April we also elicited a writing sample from each child. In both grades we showed each child the same colorful picture of animals in a schoolroom setting and asked them to write a story about what might be going on in the picture. The picture was selected after we asked several first- and second-grade children who were not in the study to choose among several pictures the one they would like to write a story about. The selection of pictures represented scenes we thought would appeal to children and included a variety of subjects, from alien spaceships and creatures to children playing a game. Our animal school picture was the one most often chosen. Certainly the school setting represented a situation with which children are quite familiar, and the animal characters seemed to appeal to these young children. In asking the children to write a story, we did not specify an audience. We did, however, emphasize that they were to write a story about the picture, and in fact, when some children asked if they should tell what they saw in the picture, we reiterated, "Write a story about the picture." When each child completed the written story, the child read it to the tester. In this way ambiguities resulting from the children's inadequate spellings could be resolved. We observed that the children almost never made attempts at revision. Thus our informal observations support the conclusions of Graves (1979, 1983) and others (Calkins, 1980) that revision is a task that does not come naturally to a child. Neither did the children in our study do a lot of free writing in school. Informal observations in the classrooms indicated that, on the average, the children participated in composing activities no more than once a week. A holistic score, ranging from 1 (low) to 7 (high) was assigned to each sample on the basis of the judgments of three raters. A representative writing sample for each rating was used as a guide for assigning these scores. The average interrater reliability was .72, using the Pearson r statistic. In first grade 23% of the samples fell into a group described as being cither lists of words or else text so primitive that it was virtually not readable. (In second grade none of the samples fell into this group.) These were assigned a holistic score of either 1 or 2, based primarily on the first two categories determined by Loban (1963). Those samples receiving a score of 1 were characterized as containing (a) pictures and drawings in lieu of text, (b) meaningless symbols and tangles of letters, or (c) lists of words either unrelated or only partially related to the picture. Those samples receiving a score of 2 were characterized as containing (a) occasional groups of related words, (b) lists of words related to the picture or (c) barely comprehensible language. Scores of 3 through 7 were assigned to the remaining samples. A similar procedure was followed for scoring the second-grade samples. Because of an increased diversity in the writing capabilities of the children in the study, the range of holistic scores was increased from 7 in first grade to 10 in second grade. The first- and second-grade scales are not equivalent. That is, samples receiving a score of 1 or 2 on the first-grade scale would receive a score of 0 on the second-grade scale. No first-grade samples were of a quality that they would have been scored 8, 9, or 10 on the second-grade scale. Although the directions were identical at both grades, children in the second grade were much more likely to write a narrative than were the first-grade children, who often wrote descriptions of the picture. Figure 2 and Table 1 give examples of writing samples representing points along the first- and second-grade scale. 248 C. JUEL, P. GRIFFITH, AND P. GOUGH Table 1 Examples of Writing Samples First-grade writing sample receiving a holistic score of 5 This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. Figure 2. of 1. First-grade writing sample receiving a holistic score Raters were asked not to evaluate the writing samples based upon how the children had spelled words. Rather, they were instructed to consider level of story development, syntactic maturity, and richness of vocabulary when assigning a holistic score. Ideas. We also asked the children, at a later time, orally to tell a story about the picture. The children's oral stories were tape recorded and later transcribed and rated on the same criteria as the writing samples. We hoped these oral renditions would reveal children's story ideas, apart from the mechanics of writing. We labeled this score the idea measure. At school the or tech is call the Boy to make a Words. A the Boy Make the Word sometime The Boys a Gils or seen at the one boy he make a cRose. A he got A toy First-grade writing sample receiving a holistic score of 7 A tacher mole siad to one of her children. I will have to go. the mole siad goodbye. And she went to get a nother childe. The mole got a new little mouse. Second-grade writing sample receiving a holistic score of 1 The Teacher is get in your cet. The Teacher sEteb teake the seteb chrde. Win they get to school Analysis of the Data Second-grade writing sample receiving a holistic score of 10 Some data were analyzed with hierarchical multiple regression and some with analysis of variance. Path analysis was performed with SPSS (Statistical Package for the Social Sciences) regression; results were obtained by entering all variables into the model at the same time. Path analysis is based upon correlational data and thus does not allow direct causal interpretations. However, longitudinal data permit somewhat stronger inferences about causal relations than do purely correlational studies because changes in one variable can be shown to be followed closely in time by corresponding changes in another variable (Lesgold et al., 1985). The path coefficients for the straight arrows in the model shown in Figure 3 are the standardized regression coefficients obtained when each endogenous variable was regressed on those variables directly impinging upon it (Asher, 1976). Consider the paths leading to first-grade phonemic awareness in Figure 3 as an example. To determine the path coefficients leading to that variable, a regression equation was formed with phonemic awareness as the dependent variable and ethnicity, IQ, and the language subtest of the Metropolitan Readiness Test (MRT) as the independent variables. The values of .21 and .25 represent the standardized regression coefficients associated with IQ and the language subtest. In the case of ethnicity, two path coefficients were computed. Because ethnicity is a categorical variable, it was necessary to create "dummy" variables to obtain these path coefficients. Therefore, the two values for the path coefficients of this variable, - .26 and — .45, represent the average deviation of each ethnic group explicitly included in the model from the Anglo group. For the first-grade path analysis, oral language was estimated with the language subtest from the MRT, which was given in September. In second grade, incoming oral language was estimated by the listening comprehension subtest from the IOWA, given at the end of first grade. Phonemic awareness was estimated in both first and second grade by the phonemic awareness test given in October of each grade. The February place-in-series measure was used to estimate exposure to print in both grades. Cipher knowledge in both grades was measured in April with the Bryant test. Lexical knowledge was estimated in both grades with the spelling subtest of the IOWA. Spelling and word recognition were Once upon a time in Ms. Clacks class a mouse gave Ms. Clack a piece of candy. Ms. Clack said thank you. Then she told the class to get out there spelling books and do padge 102-120. then the children said that's a lot of work. Then the teacher gave them more work then said d 110-200 Then Then children did not want any more work. Then they started there work. The next day Ms. Clack wasn't there. Then the class said now we can do any thing we want. Just then a vouse said not so fast. Then the door open and it was a subutute. The teacher told her name. The children thaoght she was a which becaue she looked like one. The children were scared. She made them do hundreds of work when uschool was over they ran as fast as the could measured with the respective WRAT subtests given in April in both grades. Likewise, the oral story (used to estimate "ideas") was administered in April, and the May subtest from the IOWA was used to estimate listening comprehension. Writing ability was tapped in April of both grades, and reading comprehension was estimated by the May reading comprehension subtest from the IOWA. Results and Discussion Table 2 presents descriptive data on all the measures. Table 3 gives the correlations among all the measures in 249 This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. ACQUISITION OF LITERACY Word Recognition I 06,-20 Reading = .54,.59 Comprehension Figure 3. Path analysis of proposed model of literacy aequisition. (Path coefficients for the straight arrows are standardized regression coefficients. The first listed number represents first grade, and the second number represents second grade. *p < .05. **p < .01.) each grade. The path analysis for the model being tested appears in Figure 3. Phonemic awareness. Ethnicity, IQ, and entering oral language skills each contribute to phonemic awareness. The impact of ethnicity on phonemic awareness was slightly less in second grade. The actual mean scores appear in Table 4. In Table 4 it can also be seen that differences in English oral language proficiency increased slightly between the ethnic groups from first to second grade and that there was not a statistically significant difference in IQ scores between the groups. The importance of these findings is apparent from the results of some hierarchical multiple regressions shown in Table 5. Even after the influence of IQ is entered into the regressions, both the cognitive variables of listening comprehension and particularly phonemic awareness—the two areas where ethnicity did have a significant impact—appear to strongly influence year-end performance in spelling, word recognition, writing, and reading comprehension in first grade, and to a lesser extent in second grade. These findings suggest the need for oral phonemic awareness training for entering first-grade children with poor phonemic awareness. Without special training, children with poor phonemic awareness appear disadvantaged in learning to read and write (Williams, 1984). As shown in Table 4, the present study suggests such children are frequently minority children. H may be that training in oral phonemic awareness should be a routine precursor to reading instruction—as it is, for example, in the Soviet Union (Downing, 1984). Cipher knowledge. We expected that (a) phonemic awareness would be a powerful determinant of growth in knowledge of the cipher, and (b) although exposure to print would aid growth in phonemic awareness, it would do little to increase cipher knowledge until a prerequisite amount of phonemic awareness is attained. To test these hypotheses, we looked at a restricted sample of the data. That is, we identified two groups of children, both of whom had been exposed to fairly large amounts of print (i.e., upper 50th percentile on the place-in-series variable) at the end of first grade but who differed in their levels of phonemic awareness (i.e., high amount of phonemic awareness vs. low phonemic awareness), and we tested them for a difference 250 C. JUEL, P. GRIFFITH, AND P. GOUGH Table 2 Means and Standard Deviations of All Variables Variable M SD This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. First grade MRT language (September) Phonemic awareness (October) Phonemic awareness (February) Phonemic awareness (April) Bryant (October) Bryant (February) Bryant (April) Place in series (October) Place in series (February) Place in series (April) WRAT word recognition (April) WRAT spelling (April) Writing (April) Oral story (April) IOWA listening comprehension (May) IOWA reading comprehension (May) IOWA spelling (May) 12.8 15.0 25.9 30.7 3.4 11.7 11.4 11.1 6.3 6.0 13.5 19.7 379.4 5,909.6 16,287.8 21.6 10.9 11.1 12.9 984.3 5,390.7 11,739.5 3.8 4.4 16.9 43.0 16.9 9.8 3.5 1.6 2.5 4.5 15.1 5.4 Second grade WISC-R vocabulary (September) WTSC-R block design (September) Phonemic awareness (October) Phonemic awareness (April) Bryant (November) Bryant (April) Place in series (October) Place in series (February) Place in series (April) WRAT word recognition (April) WRAT spelling (April) Writing (April) Oral story (April) IOWA listening comprehension (May) IOWA reading comprehension (May) IOWA spelling (May) 19.2 16.4 34.9 36.3 26.2 30.6 23,227.1 38,284.6 58,407.9 37.5 16.3 4.4 4.4 21.5 48.9 21.7 5,0 9.4 7.1 6.6 12.5 11.0 15,486.7 21,601.6 27,104.7 12.6 4.4 2.6 2.5 3.8 10.9 5.2 Note. MRT = Metropolitan Readiness Tests, Level II. Bryant = Diagnostic Test of Basic Decoding Skills. WRAT = Wide Range Achievement Test. IOWA = IOWA Tests of Basic Skills, Primary Battery. WTSC-R = Wechsler Intelligence Scale for Children-Revised. in their ability to read pseudo-words. As predicted, we found a significant difference on the Bryant test between the two groups, F(l, 45) = 28.7, p < .001, MSe = 106.8. Forthe low phonemic awareness group the mean score on the Bryant test in May was only 3.7, SD = 5.3, and the mode was zero. Despite having been exposed to large amounts of print and a year of phonics instruction, many children with poor phonemic awareness could not read a single nonsense word at the end of first grade. In contrast, the mean score for the high phonemic awareness group was 27.9, SD = 10.8, and the mode was 21. After some phonemic awareness is achieved, however, exposure to print probably contributes to cipher knowledge by providing practice in reading regular spelling patterns. An estimate of the impact of exposure to print in school reading books on cipher knowledge appears in Table 6. The unique contribution of exposure to print, beyond that shared with phonemic awareness, is .087 in first grade and .048 in second grade. The unique contribution of phonemic awareness, though, is greater at .211 in first grade and .186 in second grade. Although exposure to print does not appear to make as direct a contribution to cipher knowledge as does phonemic awareness, it is the only way to gain lexical knowledge (Figure 3). Word recognition and spelling. We further predicted that word recognition and spelling depend on the same sources of knowledge—cipher knowledge and lexical knowledge— and thus the two skills should be highly correlated. Indeed, the correlation between WRAT word recognition and spelling was .84 (N = 108, p < .001) in first grade and .77 (N = .83, p < .001) in second grade. The path analysis in Figure 3 indicates that in first grade the total R2 accounted for by cipher knowledge and lexical knowledge is .75 for word recognition and .72 for spelling, whereas in second grade the total R2 is .54 for both spelling and word recognition. In other words, for both skills these two factors account for both a large and similar amount of variance within each grade level. The influence between cipher and lexical knowledge does appear to shift between the grades, however. In first grade there is a predominance of cipher knowledge, which probably reflects a "sound it out" strategy. By second grade, lexical knowledge predominates, suggesting that a more automatic processing is occurring. This shift is particularly evident in word recognition. As shown in Table 6, the unique contribution of lexical knowledge to word recognition, beyond that which it shares with cipher knowledge, is only .034 in first grade but increases to .203 in second grade. Likewise, the unique contribution of cipher knowledge is .208 in first grade but drops to .042 by second grade. This finding is in line with that of other studies that have found increased direct, nonmediated processing of words as readers become more skilled (Barron, 1981; Ehri & Wilce, 1985, Juel, 1983; Posnansky & Rayner, 1977; Waters, Seidenberg, & Bruck, 1984). In spelling, the same trend occurs, though it is much less dramatic. The unique contribution of lexical knowledge is .074 in first grade, increasing to .146 in second grade; the unique contribution of cipher knowledge is . 145 in first grade, dropping to .080 in second grade. Reading comprehension and writing. We suggested that although reading comprehension and writing also are dependent on cipher knowledge and lexical knowledge, they will not be as strongly correlated as word recognition and spelling, for they also draw upon distinct abilities. This was the case. In first grade the correlation between reading comprehension and writing was .26 (TV — 100, p < .01). This correlation is significantly less than the correlation between word recognition and spelling in first grade (z = 6.77, p < .001). In second grade the correlation between reading comprehension and writing was ,39 (N = 69, p < .01). Again, this correlation is significantly less than the correlation between word recognition and spelling in second grade (Z = 2.28, p < .05). As predicted, reading comprehension in first grade appears to be heavily influenced by word recognition ability. This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. ACQUISITION OF LITERACY -2 251 s; s; s; M oi s: ( 12 2 252 C. JUEL, P. GRIFFITH, AND P. GOUGH Table 4 Effects of Ethnicity on Phonemic Awareness, Oral Language, and IQ Second grade First grade Ethnic group SD M M SD Entering phonemic awareness Anglo Black Hispanic 20.1 8.0 12.8 11.1 8.9 11.3 38.6 31.3 33.7 3.6 7.7 7.8 19.1 15.1 15.5 3.7 4.0 4.6 39.3 33.0 34.6 9.1 11.5 11.8 This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. Enterin:g oral language Anglo Black Hispanic 3.2 2.7 3.7 13.7 12.3 11.9 IQ Anglo Black Hispanic a b Note. In both grades * the results of the October phonemic awareness test are compared. For entering oral language, in first grade" the Metropolitan Readiness Test's language subtest is the basis for comparison; in second grade,d comparisons are on the IOWA listening comprehension subtest given at the end of first grade. For IQ, summed WISC-R block design and vocabulary subtests were given in September of second grade.e a F(2, 126) = 12.1, p < .001, MSe = 116.8. b f(2, 82) = 7.5, p < .001, MSe = 43.6. CF(2, 127) = 4.3, p < .05, MSe = 10.6. dF(2, 109) = 11.2, p < .001, MSe = 17.1. e F(2, 78) - 2.3, MS, MSe = 117.8. 6. The unique contribution of ideas to writing, above the variance that it shares with spelling, is only .048 in first grade, but increases to .294 in second grade. Likewise, the unique contribution of spelling is .319 in first grade, and decreases to .087 in second grade. It is important to note that the idea measure contributes to writing over and above the IQ and oral language proficiency measures. Table 7 shows a hierarchical multiple regression in which the increase in R2 due to the idea measure is .251 after IQ and listening comprehension have been entered. These data suggest that the generation of ideas involves some distinct abilities besides those assessed by IQ and listening comprehension tests. It should also be noted that the correlation between the idea measure (oral story) and the IOWA reading comprehension subtest was very low both in first grade (r = .13, N = 78, p = ns) and second grade (r — .19, N = 66, p = ns). If, as the transactionalists suggest, reading involved the same generative processes as those involved in writing, we should expect a much higher correlation. Putting the components of the model together. The scatterplot in Figure 4 shows the relation between phonemic awareness and cipher knowledge in May for the entire sample of first-grade children. There were virtually no firstgrade children with low phonemic awareness in May who Table 5 Effect of Phonemic Awareness on Word Recognition, Spelling, Reading Comprehension, and Writing Increase in R2 R Reading comprehension in May in first grade increases .71 standard deviation for each standard deviation increase in May word recognition. Listening comprehension has a nonsignificant statistical impact (Figure 3). The tremendous impact of word recognition on reading comprehension is shown in Table 6. The unique contribution of word recognition, beyond what it shares with listening comprehension, is .419 in first grade and .403 in second grade. However, in second grade, listening comprehension does make a significant unique contribution of .037. We suspect that the impact of listening comprehension would continue to increase in subsequent grades—as both word recognition becomes more automatic and as more advanced texts require more usage of the knowledge of morphology, syntax, semantics and pragmatics, which also are used in the comprehension of spoken language, to understand decoded print. In both first and second grade, spelling and ideas make significant contributions to writing. As predicted, in first grade, spelling has the dominant influence, whereas in second grade having ideas holds the lead (Figure 3). It appears that word-level skills (i.e., decoding and spelling) influence the quality of reading comprehension and writing for many first-grade students. By the end of second grade, when these skills are more automatic (as evidenced by the increased impact in second grade of lexical knowledge on spelling and word recognition), higher order processes apparently become more involved. This shift is clearly seen in Table Variable 1st grade 2nd grade 1st grade 2nd grade Word recognition WISC-R block WISC-R vocabulary IOWA listening Phonemic awareness .143 .282 .456 .834 WISC-R block WISC-R vocabulary IOWA listening Phonemic awareness .140 .300 .492 .777 .168 .356 .438 .548 .020 .059* .128** .487** .028 .098** .065* .301** .019 .071* .152** .362** .007 .049 .093** .218** .069* .068* .122** .236** .077* .194** .034 .172** .084* .008 .108** .131** .044 .000 .041 .018 Spelling .081 .236 .386 .606 Reading comprehension WISC-R block WISC-R vocabulary IOWA listening Phonemic awareness .263 .370 .509 .709 .277 .521 .553 .691 Writing WISC-R block WISC-R vocabulary IOWA listening Phonemic awareness .291 .304 .448 .576 .209 .210 .292 .322 Note. The phonemic awareness test in April and the IOWA listening comprehension test in May are used in all analyses. *p < .05. **p < .01. 253 ACQUISITION OF LITERACY Table 6 Contrasting Hierarchical Regressions of Some Components of the Model Table 7 Impact of Idea Measure on Second-Grade Writing Variable R Increase in R2 \Qa Listening comprehension Ideas .285 .379 .628 .081* .063* .251** 2 Increase in R 1 st grade 2nd grade 1 st grade 2nd grade Variable This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. Cipher knowledge a Summed WISC-R block design and vocabulary subtests. *p < .05. **p < .01. Order I Phonemic awareness Exposure to print .603 .671 .637 .674 .363*** .087*** .405*** .048* Order 2 Exposure to print Phonemic awareness .489 .671 .517 .674 .239*** 2i i**# .267*** .186*** Word recognition Order 1 Cipher knowledge Lexical knowledge .848 .868 .577 .732 719*** .034*** 333*** .203*** Order 2 Lexical knowledge Cipher knowledge .739 .868 .703 .732 .545*** .208*** 494*** .042* Spelling Order 1 Cipher knowledge Lexical knowledge .806 .851 .624 .732 549*** 074*** .389*** j4£#** Order 2 Lexical knowledge Cipher knowledge .761 .851 .675 .732 .578*** 145*** .455*** .080*** ^42*** .003 553*** .037* The importance of cipher knowledge for word recognition (i.e., as shown in Figure 3), and subsequently for reading comprehension, is also suggested in Figure 4. Only 4 children with above-average Bryant scores had below-average reading comprehension at the end of first grade; all other children who were at or above average on the Bryant had at least average reading comprehension. We suggest that those children with poor spelling—sound knowledge, who have at least average reading comprehension at the end of first grade, have succeeded in memorizing enough relevant visual cues about particular words to have a minimal first-grade reading vocabulary. However, they are reading in a qualitatively different manner than their peers who have good spelling-sound knowledge. As we have argued elsewhere, they are "code" readers, who must rely on visual cues, as opposed to "cipher" readers, who can also use letter-sound information (cf. Gough & Hillinger, 1980; Gough, Juel, & Roper/Schneider, 1983). Reading comprehension Order 1 Word recognition Listening comprehension Order 2 Listening comprehension Word recognition .736 .738 .743 .768 me in 50 .355 .738 .432 .768 .126*** 419*** .187*** .403*** X 40 * Writing X t Order 2 Ideas Spelling .597 .636 .275 .608 .356*** .048* .076* .294*** X X ) [ G w 20 X xx x X X X X X X X 0 % Xx X X» X 30 Order 1 . Spelling Ideas X X X XXX XJ x XX XX oX OQQt 0 .291 .636 .531 .608 .085* ^19*** .282*** .087** Note. End-of-year tests are used in all analyses. *p < .05. **p < .01. ***p < .001. x o 10 0 0 10 had average or above-average performance on the Bryant decoding test. There were, however, some children with average or above-average phonemic awareness in May who had poor spelling-sound correspondence knowledge. Phonemic awareness appears a necessary, but not sufficient, prerequisite to growth in cipher knowledge. O0X 0 °°0 n XX * > 0O ° X X V 0 x 0 0 nnn nnnrwiflnn n % ° *x0 X X 20 30 40 Phonemic Awareness 50 Figure 4, The relations among first-grade students' skill in May in phonemic awareness, decoding, and reading comprehension. (Children indicated with X scored at or above grade level on the IOWA reading comprehension subtest. Children indicated with 0 scored below grade level on the IOWA reading comprehension subtest.) This document is copyrighted by the American Psychological Association or one of its allied publishers. This article is intended solely for the personal use of the individual user and is not to be disseminated broadly. 254 C. JUEL, P. GRIFFITH, AND P. GOUGH Phonemic awareness had a powerful influence on learning to read and write when the other cognitive variables of IQ and general language proficiency (listening comprehension) were statistically controlled. The impact of phonemic awareness on word recognition, spelling, reading comprehension, and writing is shown in Table 5. In each case in first grade the impact of phonemic awareness is substantial even after IQ and listening comprehension are entered into the equations. The increase in R2 attributable to phonemic awareness in first grade is .487 for word recognition, .362 for spelling, .236 for reading comprehension, and .131 for writing. By the end of second grade there is still a substantial impact of phonemic awareness on all areas but writing. The increase in R2 due to phonemic awareness is .301 for word recognition, .218 for spelling, .172 for reading comprehension, and .018 for writing. The lesser impact of phonemic awareness at the end of second grade may be due to the general increase in phonemic awareness with increasing age. It is clear that the overall large effect sizes of phonemic awareness, over and above IQ and general language proficiency, underscore the extreme importance of phonemic awareness on early literacy acquisition. The findings also agree with those of Bradley and Bryant (1983) and Stanovich, Cunningham, and Feeman (1984) that phonemic awareness involves some skill distinct from general intelligence or language ability. Summary and conclusions. In summary, we have attempted to delineate and at least partially substantiate a rather simple model of literacy acquisition in first and second grade. 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