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Conclusions
The results of this study lead to the following conclusions:
1. Teachers acquired the skills of the module, "Using Personal Knowledge of Students" and used these skills in their classrooms. This was evidenced through change measured by the observation instrument. While seven F and t ratios for the instrument were statistically significant, forty-nine out of fifty were in the same direction.
2. Teachers use of the skills of this module has an effect on the attitudes or learning of students. The student questionnaire resulted in a t ratio that was significant at the .01 level.
3. The most discriminating variable on the observation instrument was nature of the situation. This variable described whether the teacher or the pupils were the center of attention and whether commercial materials or student projects were in evidence in the classroom.
4. Using both low-and high-inference instruments is an effective way to measure change in teacher behavior because they counterbalance and support or negate one another. In this study, the one comparison group on the observation instrument supported the change while the