a. What was the purpose of the study?
b. Who were the participants (students and peer tutors)? What were the settings?
c. How were the data collected, what were the dependent variables, and how were the depen‑dent variables measured?
d. Describe how the independent variable was pre‑sented.
e. What were the conditions and what type of design was used?
f. Why did researchers divide the six participants into cohorts of three students? How was fidel‑ity of intervention assessed? Why is it necessary to have two observers determine agreement on fidelity of intervention?