Vocabulary Development The Relationship Between Word Knowledge and Comprehension Questions About Vocabulary What is the relationship between vocabulary knowledge and reading comprehension? How many words do people know? What are effective methods of teaching vocabulary knowledge? Vocabulary Knowledge and Reading Comprehension Relationship The Instrumentalist Hypothesis Vocabulary Knowledge Reading Comprehension Knowledge of words causes reading comprehension: 1) If word knowledge helps people to understand, texts with more difficult words are more difficult to understand. 2) Teaching word meanings should improve comprehension. Vocabulary Knowledge and Reading Comprehension Relationship The Knowledge Hypothesis Vocabulary Knowledge Reading Comprehension Topic Knowledge 1) Knowledge of word meanings themselves do not cause people to comprehend text. 2) Word meanings are not unrelated bits of information, but are parts of larger knowledge structures. Vocabulary Knowledge and Reading Comprehension Relationship The General Ability Hypothesis General Ability Vocabulary Knowledge Reading Comprehension 1) Vocabulary knowledge is strongly related to intelligence. 2) Correlation between vocabulary and comprehension is due to general ability. Vocabulary Knowledge and Reading Comprehension Relationship Which is true? All three say something important. Instrumentalist is most important for teachers because it suggests that teaching words will improve comprehension. How many words do people know? 45,000 250,000-500,000 88,700 How many words do people know? 107 5,000 83,000 How many words do people know? 300 10x30 3,000 What are effective methods for teaching vocabulary knowledge? Direct Instruction Wide Reading Use of Context Frayer Diagram Sentence Definition Example Word Non-Example Frayer Diagram Sentence Definition Lacking life, spirit, or zest Example The lackadaisical dog couldn’t be bothered to leave the porch, even when the cat strolled by with a taunting glare. lackadaisical Non-Example languid, lazy energetic, vivacious Orangutans at the zoo Jack Russell terrier Inductive Word Study Students are given cards with words to be learned. In small groups, students sort the words in ways that make sense to them. The students explain how they defined their groups. Students are encouraged to regroup the words in a different way. 3x3 Vocabulary Students are given a 3x3 grid and write one word in each box. Once the sheet is filled out, students write six sentences which illustrate the relationships between the words: column 1, down; row 2, across; etc. 3x3 Vocabulary Context clues Background knowledge Meaning Concept Graphic organizers Strategy(ies) Direct instruction Word walls Comprehension Word maps Graphic organizers Word study Definitions