Abstract
The effect of additional class contact time on student performance in statics is investigated. Comparisons are made between the final exam grades and final course grades of at-risk students placed on two versions of the same statics course. A standard version of the statics course meets for three hours per week over the course of a 15-week semester, while a second version meets for four hours per week. During the 11-year timeframe covered by this study, the four-hour statics course has been populated by students identified as ‘at risk’ using an informal screening procedure. For comparison purposes, using the same enrollment data, a second group of at-risk students was identified from within the standard three-hour course using a more formal screening procedure based on logistic regression. A comparison between the two groups shows that the extra contact hour had a minor, statistically insignificant effect on final exam and final course grades.
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