Outline. Description of ExampleDescriptive SummariesInvestigation of Various ModelsConclusions. Study of CS students . Computer science majors at Purdue have a large drop out rateCan we find predictors of successPredictors must be available at time of entry into program . Data available. GPA after three semesters High school math gradesHigh school science gradesHigh school English gradesSAT MathSAT VerbalGender (of interest for other reasons).