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. 2016 Sep 2;16(1):234. doi: 10.1186/s12909-016-0758-2

Table 3.

F-test for the homogeneity of regression slope assumption for Group*the critical thinking disposition pre-test

Scale Group Pre-test Group*scale (interaction effect) Homogeneity testing
Mean S.D F p-value
Overall Experimental Control 75.21 10.63 Group* Overall 0.000 0.989
75.27 10.65
Systematicity and analyticity Experimental Control 30.86 4.59 Group*Systematicity and Analyticity 0.017 0.898
30.96 4.57
Inquisitiveness and knowledgeability Experimental Control 23.77 3.69 Group*Inquisitiveness and knowledgeability 0.000 0.990
23.60 3.79
Maturity and skepticism Experimental Control 20.58 3.96 Group* Maturity and Skepticism 0.001 0.970
20.72 3.95

Experimental group: N = 43; comparison group: N = 43

S.D. standard deviation