After data collection, an experimenter must do each of the following, EXCEPT:
A) verify that groups are similar on variables that would provide alternate explanations.
B) establish that the manipulation was effective.
C) test the research hypothesis.
D) assess the likelihood of participants ending up in either the experimental or control condition.

Question

Quizplus · Accepted Answer

Assessing the likelihood of participants ending up in either the experimental or control condition is not necessary after data collection. This should have been done during random assignment at the start of the experiment. The other options listed are essential steps in data analysis after data collection.

After Data Collection, an Experimenter Must Do Each of the Following