Statistical Analysis for Education and Psychology Researchers

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7.


Kruskal-Wallis test using frequency data presented in Table


7.6 (data in the form of an r×k contingency table)


239-


240


7.


CMH statistic from PROC FREQ based on data shown in


Table 7.


245


7.


Post hoc multiple comparisons for Friedman’s ANOVA by


ranks using data from Table 7.7 (four repeated measures)


246


8.


Overlay plot of response vs. explanatory and predicted vs.


explanatory variables


271


8.2 Normal probability plot of residuals 272


8.3^ Plot of residuals vs. predicted values for data in Table 8.2^272


8.4 Plot of residuals vs. case number (ID) for data in Table 8.2 273


8.5 Plot of residual vs. maths score (explanatory variable) 274


8.


Regression output for data shown in Table 8.


274-


275


8.7a


Fitted least squares regression line for prediction of


standardized maths ability score from teacher estimate of


maths ability


276


8.7b


Fitted least squares regression line for prediction of


standardized maths ability score from teacher estimate of


maths ability with 95 per cent confidence level for mean


predicted values


277


8.7c


Fitted least squares regression line for prediction of


standardized maths ability score from teacher estimate of


maths ability with 95 per cent confidence level for individual


predicted values


278


8.8a Bivariate scatterplot for data in Table 8.2 285


8.8b Bivariate scatterplot for data in Table 8.2 286

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