APPENDIX
Summary Chart of Statistics,
What to Report, Abbreviations,
and Suggested Syntax
Statistic
What to Report
Abbreviation
Suggested Syntax
Frequencies
and
Percentages
Size of overall data set
N
Respondents were
recruited from
communication courses
(N = 65).
Size of a cell or group
n
Percentages
%
Males represented a
smaller proportion of the
sample (n = 25) than
women (n = 40).
Of those participating in
the study, only 35% were
aware of the manipulation.
Mean and
Standard
Deviation
Mean
M
Dispersion measure
SO
The mean of group one
(M = 3.25, SO = 1.12) was
greater than the mean
of group two (M = 2.45;
SO = .99).
Cronbach's
Alpha
Cohen's
Kappa and
Scott's Pi
Observed reliability
coefficient
IX (Cronbach's
IX=
alpha)
Cronbach's alpha = .80
Descriptive statistics
MandSO
Observed reliability
coefficient
1C (Cohen's
1C =
kappa)/n
(Scott's pi)
Cohen's kappa = .80
Percentage of agreement
Number of items coded
to establish reliability
Number of coders
.80
.80
n = .80
Scott's pi = .80
106
Statistics,What to Report, Abbreviations, and Suggested Syntax
APPENDIX
Statistic
What to Report
Abbreviation
Suggested Syntax
Statistic
zTest
Degrees of freedom
Observed z value
df
z
z (df) =observed z value,
significance level, ES
ANCOYA
(continued)
Significance level
Effect size
Number of
observations
t Test
Analysis of
Variance
(ANOYA)
ANCOYA
i
df
Observed t value
t
Significance level
p
ES (varies
with test)
!'
IJ
N
Number of observations
per cell
n
Descriptive statistics
M and SD
Degrees of freedom
(between and within)
dfB/dfw
Observed F value
F
Significance level
p
ES (varies
with test)
Number of
observations
N
Number of observations
per cell
n
Descriptive statistics
M and SD
What to report (in
addition toANOYA)
Covariate information
(regression format)
~
~..
Number of
observations
Adjusted means
,
!
Degrees of freedom
Suggested Syntax
For cauariate analyses: F (df!l'
dfw) =observed F value,
Significance level, partial
ES (after covariates are
removed). Accompanying
table of pooled withincell intercorrelations
among the covariates
and the dependent
variable
J
N
MandSD
Effect size
Abbreviation
!
p
ES (varies
with test)
Sample mean and
standard deviation
Effect size
What to Report
107
adjM
t (df) =observed t value,
significance level, ES
MANOYA
Multivariate statistic
(varies) Wilks
lambda,
Pillais
~
Degrees of freedom
(between and within)
dfB/dfw
I'
Observed F value
F
Significance level
p
ES (varies
with test)
r.
i:
t
i
I
[,
"
Effect size
f
t~
Univariate effects
(seeANOYA)
Number of
observations
N
Number of observations
percell
n
Descriptive statistics
MandSD
I
F (df!l' dfw) =observed
F value, significance
level, ES
I
f
[
f
MANCOYA
~
l
For main effects and
interactions: F (df!l' dfw)
=observed F value,
significance level, ES
(accompanied by a table of
adjusted group and cell
means and standard
deviations)
What to report (in
addition to MANOYA)
Adjusted means
Covariate information
(regression format)
Regression
and
Multiple
Regression
Wilks lambda =observed
/" value, F (dfB, dfw) =
observed F value,
significance level, ES
SeeANCOYA
adjM
Overall Model
Multiple R
Effect size
AdjustedR2
adj R2
ObservedF
F
Degrees of freedom
Significance level
p
R
R2
df
For the model: F (dfB, dfw) =
observed F value,
significance level, R2,
adj R2 (accompanied
by table with
unstandardized
regression coefficient,
standardized regression
coefficients)
,
108
r,
t
APPENDIX
I
Abbreviation
Suggested Syntax
I
Unstandardized
regression coefficient
B
I•
Standardized regression
coefficient
~
IndividWlI relationships
between the independent
variables and dependent
variables: t =observed t
Statistic
What to Report
Regression
Predictors
(continued)
value, significance level,
effect size
Observed t value
Logistic
Regression
Significance level
p
Semipartial correlations
(variance
accounted for
per variabIe)
Overall Model
Observed x,z value
Effeetsize
X2
R2
Degrees of freedom
df
Number of
observations
N
Significance level
p
Classification results
(optional)
~
Observed Wald
x2value
2
X
Significance level
p
Pf kW rr
7 rl""Q 3"'iltilKt¢'" '1tW"!t
!
t,
;,~
i
American Psychological Association. (1994). Publication manual of the
American Psychological Association (4th ed.). Washington, DC: Au­
thor.
I
Odds ratio
!lI$~iil'·ir"'~,f$·T*'lf8~.ti,i"Mi He
!
I
I
R2 =observed R2 value,
X2 (dE, N =number of
observations) =observed
X2 value, significance level
Predictors
Standardized regression
coefficient
TT [if
?'
t )rtnt
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