A practitioner tests whether a new technique will be effective in reducing the number of time-outs required in play therapy sessions for children with conduct disorders. In each of the two sessions before implementing the new technique, five time-outs occurred. In each of the two sessions after implementing the new technique, no time-outs occurred. The practitioner should conclude:
A) The technique was clearly effective.
B) The data source was retrospective available records.
C) There was an insufficient number of data points in the study to warrant causal inferences.
D) The data source was self-report.
E) None of the above.

Question

A practitioner tests whether a new technique will be effective in reducing the number of time-outs required in play therapy sessions for children with conduct disorders. In each of the two sessions before implementing the new technique, five time-outs occurred. In each of the two sessions after implementing the new technique, no time-outs occurred. The practitioner should conclude:​
A) ​The technique was clearly effective.
B) The data source was retrospective available records.​
C) There was an insufficient number of data points in the study to warrant causal inferences.​
D) The data source was self-report.​
E) ​None of the above.

Quizplus · Accepted Answer

The practitioner should conclude that there was an insufficient number of data points in the study to warrant causal inferences because only four sessions were analyzed, which is too small a sample size to definitively determine the effectiveness of the new technique.

A Practitioner Tests Whether a New Technique Will Be Effective