Answer:
Deception
Step-by-step explanation:
Dr winstell used deception in her study about prejudice by not disclosing true information. She is a Caucasian who disguises as an African American to get information from Caucasian participants. Deception in research has to do with withholding or failing to disclose true information on purpose to human participants about the method of the research. It is used sometimes in social behavioral and educational research. Misleading the participants can help Dr Winstell get unbiased information.