sentences:  • GRADE — coded 1 if the final grade was an A, 0 if the final grade was a B or C.
  
  The particular interest in the research was whether PSI had a significant effect on GRADE.TUCE and GPA are included as control variables.Statistical analysis using logistic regression of Grade on GPA, Tuce and Psi was conducted in SPSS using Stepwise Logistic Regression.