A researcher has conducted an experiment to test the effectiveness of a drug that she thinks will elevate the mood of depressed individuals. The results of a statistical analysis is that the experimental and control groups differ, but not by very much. This experiment may lack:

Question

Quizplus · Accepted Answer

The fact that the experimental and control groups only differ slightly indicates that the results may not be statistically significant, meaning that the findings of the experiment may not be meaningful or conclusive. Therefore, the experiment may lack scientific significance.

A Researcher Has Conducted an Experiment to Test the Effectiveness