PSYCH 101 Chapter Notes - Chapter Research Designs: Participant Observation, Scatter Plot, Psych
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PSYCH 101 Full Course Notes
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Independent (manipulated) and dependent (measured) variable: random assignment is a must, confounds: Things that could undermine your ability to draw casual inferences. The pla(cid:272)e(cid:271)o effe(cid:272)t (like if you"re testing a happy pill, don"t tell people they are getting a happy pill) Participant demand: occurs when participants try to behave in a way they think the experimenter wants them to behave (often unintentionally) Experimenter expectations: the experimenter may perceive what is not actually there if they expect it: preventing confounds: Use a double-blind procedure: neither the participant nor the experimenter knows which condition the participant is in. Correlational designs: when scientists passively observe and measure phenomena, no changing behavior like in experiments. Identify patterns of relationships, but typically do not infer what causes what: you can examine exactly two variables at a time (no more no less, correlation coefficient (abbreviated r): Provides information about the direction and strength of the association between the two variables.
