Frank tested the effect of posted signs on recycling behavior by: (1) observing how much waste was recycled in a normal week, (2) posting signs that encouraged recycling for a week, and (3) removing the signs and observing for a final week. What type of research design would this be?
A) A-B reversal design
B) A-B-A reversal design
C) A-B-A-B reversal design
D) Single-subject reversal design

Question

Quizplus · Accepted Answer

This is an A-B-A reversal design because it involves three phases: A baseline phase (observing normal behavior), an intervention phase (posting signs), and a return to the baseline phase (removing signs to observe behavior without the intervention).

Frank Tested the Effect of Posted Signs on Recycling Behavior