Dale, a researcher, conducts a study to determine the effects of color blue on mood. During the study, he is friendlier toward t
he female participants than he is toward the male participants, which makes the women feel more relaxed during the study. He concludes that blue color is more likely to have a relaxing effect on women than on men. Dale’s study is vulnerable to ___
Based on what is described in the question we can say that Dale's study is vulnerable to "Research Bias". This is when an experiments results are influenced by the researcher that is conducting the experiment. Since Dale is being biased and reacting friendlier towards the female participants he may accidentally be favoring the results gathered from the female participants.
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