A researcher reports that a classroom where students received points that could be exchanged for extra recess time whenever they completed math practice problems saw an average increase of five completed homework problems per child per day compared to baseline. In terms of evaluating the effectiveness of this program, the researcher would most likely focus on:
A) Changes in level of response
B) Changes in the range of variability
C) Changes in immediacy
D) Changes in trend

Question

Quizplus · Accepted Answer

The effectiveness of the program is indicated by the "average increase of five completed homework problems per child per day compared to baseline," which directly reflects a change in the level of response. This means there was an observable and measurable change in the behavior (completing homework problems) as a result of the intervention (points for extra recess time).

A Researcher Reports That a Classroom Where Students Received Points