A clinical psychologist seeks to increase the amount of time a child is able to work on a task.In order to make an interpretation about the effect of treatment using an ABAB design,the least problematic initial baseline period would show
A)an unstable pattern of behavior.
B)discontinuity from the beginning to the end of the baseline observations.
C)an increasing trend in the amount of time the child spends working on the task.
D)a decreasing trend in the amount of time the child spends working on the task.

Question

Quizplus · Accepted Answer

An ABAB design requires a stable baseline to accurately assess the effect of the intervention. A decreasing trend in the baseline indicates a need for intervention, making it easier to interpret any improvements as effects of the treatment.

A Clinical Psychologist Seeks to Increase the Amount of Time