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This study was the second in a series of investigations dealing with aptitude × treatment interactions using aptitude measures of spatial visualization and general reasoning and a learning task of quadratic inequalities. The purpose of the study was to replicate Carry's (1968) study and to extend the theoretical basis of the problem by analyzing the instructional treatments and criterion variables using a multiprocess theoretical model due to Melton (1967). 249 Ss were randomly assigned to one of two treatment groups: Group A, a verbal-symbolic numeric treatment; and Group G, a verbal-spatial-numeric treatment. The hypotheses were that spatial visualization would predict transfer from the analytic group and that general reasoning would predict transfer from the graphical group. When the results were analyzed using multiple linear regression, no interactions were found between any aptitude variable and the treatments
Webb et al. (Thu,) studied this question.