Given the following design, identify the most probable example of the study from the descriptions below.
◦ 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.
◦ Ned examines how fourth graders who were provided after school homework help and those who were not on the end of year mathematics test.
◦ Ned describes the typical mathematics standardized test that fourth graders are required to take in his state.
◦ Ned examines how the amount of homework help available after school relates to performance on the end of year mathematics test.