a. What was the purpose of the investigation?
b. Who were the participants? Where was the set‑ting?
c. What were the dependent and independent vari‑ables, and how was the dependent variable mea‑ sured?
d. How was interobserver agreement calculated? Was it adequate?
e. What type of design was used? What occurred during each of the conditions?
f. What data were reported relative to procedural integrity? Were teachers using the procedures as prescribed?