PSYCH-225 Lecture Notes - Lecture 27: Institutional Review Board, Social Neuroscience, External Validity
30 Sep 2020
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+can make causal relationship statements by random assignment. Demand characteristic: cue that makes participants aware of. Correlation: extent to which 2 or more variables occur together. Correlation coefficient: math expression of relationship between 2 variables. Correlation doesn"t equal causation experimental methods experiment: research method in which researcher sets out to systematically manipulate 1 source of influence while holding others constant and controlling extraneous variables. Artificial lab settings may not rep events as they naturally unfold. Internal validity: extent to which experiment allows confident statements about cause and effect. Confound: a variable that systematically changes with iv, leading to mistaken conclusion about effect of iv. External validity: extent to which results can be generalized to other circumstances how experimenter expects them to behave. Experimenters avoid by distracting participants from true purpose of experiment field experimentation: manipulation of ivs using unknowing participants in natural settings combining different methods to reach more trustworthy conclusions ethical safeguards in psychological research:
