If an Educational Psychologist Studying the Effect of Three Different

Multiple Choice

If an educational psychologist studying the effect of three different teaching programs on students' learning wants to eliminate the effect of initial differences in learning ability among the students,the psychologist should use

A) multivariate analysis of variance (MANOVA) .
B) analysis of variance (ANOVA) .
C) analysis of covariance (ANCOVA) .
D) test-retest reliability.