The Association Between Testing Strategies and Performance in College Algebra, Attitude Towards Mathematics, and Attrition Rate Page: 73
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SUMMARY OF ADJUSTED MEANS FOR PERFORMANCE
IN COLLEGE ALGEBRA
Hypothesis 2(b).—This hypothesis stated that there is no
significant difference in posttest attitude towards
mathematics among the four testing strategy groups: Quiz
class, Homework class, Test class, and Control class.
Analysis of covariance was used to test for significance of
differences in adjusted means in posttest attitude towards
mathematics. Three covariates were used: achievement in
algebra (X1), pretest attitude towards mathematics (X2),
and achievement in arithmetic (X^).
As a preliminary to ANCOVA, the null hypotheses
regarding homogeneity of regression coefficients and
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Johnson, Charles W. (Charles Windle). The Association Between Testing Strategies and Performance in College Algebra, Attitude Towards Mathematics, and Attrition Rate, dissertation, May 1987; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc330880/m1/81/: accessed February 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .