Laura conducts a study to determine whether her new "puppet" therapy works better than the traditional "talking" therapy.After randomly assigning her own patients to either the "puppet" or "talking" group,Laura herself administers the therapy.This study's most obvious flaw is ____.

Question

Quizplus · Accepted Answer

The most obvious flaw in this study is experimenter bias because Laura herself administers the therapy, which increases the likelihood of her conscious or unconscious biases influencing the results. The other options (random variables, the placebo effect, and participant expectations) could also be potential confounding factors in the study, but they are not as directly related to the method of administration as experimenter bias.

Laura Conducts a Study to Determine Whether Her New "Puppet