Given the following design, identify the most probable example of the study from the descriptions below. E X O
C O
A) Ned examines how fourth graders who were provided after school homework help and those who were not on the end of year mathematics test.
B) Ned describes the typical mathematics standardized test that fourth graders are required to take in his state.
C) Ned compares how fourth graders given either after school homework help via the phone or the Internet perform on the end of year mathematics test.
D) Ned examines how the amount of homework help available after school relates to performance on the end of year mathematics test.

Question

Quizplus · Accepted Answer

The design "E X O C O" suggests an experimental group (E) that receives a treatment (X) and a control group (C), both followed by an observation (O). Choice A fits this design as it compares fourth graders who received after school homework help (experimental group) with those who did not (control group) on their end-of-year mathematics test scores.

Given the Following Design, Identify the Most Probable Example of the Study