Dr.Stanley predicts that interviewers who smile at their interviewees are more effective at eliciting honest responses than interviewers who do not.To study this,he asks Stacy to smile at the experimental group of interviewees and not smile at the control group of interviewees.In this study,Stacy is the

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In this study, Stacy is a confederate, meaning she is playing a role in the experiment to manipulate the independent variable (smiling or not) for the experimental group and control group. The experimenter would be the person in charge of the overall study design and execution, which is not specified in this scenario. The variable in question is the effect of smiling on eliciting honest responses, and the confounder (if there is one) is not mentioned.

DrStanley Predicts That Interviewers Who Smile at Their Interviewees Are