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HOME-STUDY DRIVER EDUCATION

% PASSING ON FIRST ATTEMPT

Any bias in the study results caused by students dropping out of the study following course assignment would be minimal given the very low frequency of its occurrence (1.9%).

A higher percentage of students assigned to classroom instruction (12.4%), and an even higher percentage of students assigned to the PEN course (24.1%), failed to complete their course by the end of the study compared to those assigned to either the CD-ROM (6.3%) or workbook (6.2%) instruction methods. This factor may have biased the results of the evaluation in favor of the PEN course, and to some extent, classroom instruction. However, although the lower course completion rate for classroom students would have tended to favor them in the comparisons, the results of the comparisons did not show this outcome.

Based on the overall pattern of findings it is concluded that the home-study driver education courses were just as effective as classroom instruction for teaching the driver education curriculum material. This decision was heavily influenced by the fact that home-study students performed just as well or better than classroom students on the study exit examination knowledge and attitude outcome measures. Given the fact that the study exit examination covered much more of the material in the driver education curriculum than did the DMV written test, it represented a

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Conclusions

100

80

60

40

Figure 3. First-attempt DMV written knowledge test pass rate by instruction method for students correctly assigned to the courses and not enrolled in driver training.

Workbook

20

0

Classroom

PEN CD-ROM DRIVER EDUCATION COURSE

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