Critical thinking aspects  P value―Pretest For difference between the two groups  P value―Posttest For differences between the two groups  Δ P values for overall differences between the two groups 
Evaluation  0.201  <0.001  <0.00 
Analysis  <0.001  <0.001  0.002 
Interpretation  0.051  <0.001  <0.001 
Inference  0.042  <0.001  <0.001 
Explanation  0.54  <0.001  <0.001 
Selfregulation  0.895  <0.001  0.001 

 P (E > C)  “P (ΔE ? ΔC)” 