Question

An educator wanted to test the effectiveness of a new testing method in reducing test anxiety. The anxiety level of students was measured before the test began and then tested again 30 minutes later. Just after the test began, a boy accidentally slipped off his chair and all of the children laughed. This example best refers to ___________ as an alternative explanation for the research findings.

Answer 1

History

Step-by-step explanation:

History is considered as an alternative explanation for research findings when it is unclear whether a change in the treatment group is caused by the treatment or by a historical event that affects everyone or almost everyone in the group.

Answer 2

History.

Step-by-step explanation:

According to research, data that is used for this consisted of age, sex, years of experience and adequacy of training and support.

Scientific relations also are designed to find evidence that certain phenomena exist, and then to figure out the causal mechanisms behind these phenomena. Unfortunately, some things are almost impossible to test directly, and those causal mechanisms have to be inferred.