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Lecture

Lecture 3social psychology.docx

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Department
Psychology
Course
PSYCH 2C03
Professor
Jennifer Ostovich
Semester
Fall

Description
Lecture 3 Confounds: what are they?  An uncontrolled factor; never measured; never thought of as important  Makes it impossible to interpret your results  Co-varies with the result  *Dim lab VS bright lab Design related confounds  Self selection bias o Can cause errors in the experiment o Who chose to participate? o Certain group of people is interested in the study which can alter the study because it is necessary to have all different kinds of people o You have to advertise in a way that makes the study seem different so the subjects do not know what I being studied; you cant have a bias to being with who you are sampling  Self-presentation bias (social desirability) o Are the participants telling the truth? Behaving naturally? o Bogus pipeline: causes people to be honest, “I have a pipeline to the truth so you might as well tell the truth” o Bogus pipeline VS not: gender differences between sex partners became much smaller under a bogus pipeline VS regular conditions; men were over reporting their sex partners and women have been under reporting their sex partners  Bogus pipeline is ethical as long as there is a good reason to justify it  Deception is only bad when it will harm the subject o Guarantee anonymity or confidentiality  Confirmation bias o When you expect something to happen it usually happens o Running an experiment and putting a stress on different words and altering behaviours in order to get the result wanted o You keep the experimenters blind o A blind experimenter is not blind to the purpose of the experiment but they are blind to the condition they are running at the moment so they cannot change their actions in accordance to the hypothesis  Experimental demand o Why did you find what you expected to find? o Participant bias: by trying to guess the hypothesis they cause something to happen; sometimes the experimenter gives it away by giving clues o Subjects must be blind to the experiment How t
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