Single-subject research plays an important role in the development of evidence-based practice in special education. The defining features of single-subject research are presented, the contributions of single-subject research for special education are reviewed, and a specific proposal is offered for using single-subject research to document…

The effects of e-mail feedback with written verbatim examples and frequency counts of expansions on pre-service teachers' verbal behaviors were examined in two studies. In Experiment I, e-mail feedback on the use of expansions was evaluated in a multiple baseline design across 3 undergraduate early childhood special education students. Results…