Studies incorporating technology into the teaching of trigonometry, although sparse, have demonstrated positive effects on student achievement. The optimal sequence for integrating technology with teacher-led mathematics instruction has not been determined. Our research investigated whether technology has a greater impact on student achievement…

The authors extend findings from qualitative research on the effects of action research by reporting two linked quantitative studies (N = 80 and 105). They found that teachers who participated in collaborative action research experienced statistically significant improvements in attitudes to educational research and teacher efficacy. The pre-post…