PSYB01H3 Chapter Notes - Chapter 9-12: Confounding, Television Producer, Sampling Distribution

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Method used to choose subjects for experiment profound effect on external validity (study generalized to other populations/settings) Important to accurately describe the population = probability sampling (scientific polls) Supply participants with information necessary for them to give their informed consent to participate. Underlying rationale of the study (does not have to be completely truthful to avoid reactivity: must tell truth in debriefing, experimental setting must seem plausible to participant, no clear-cut rules to setting the stage. To manipulate the iv = construct operational definition (chapter 4) constructed that will be presented to the research participants: operational definition turn a conceptual variable into a set of operations: specific stimuli, event, instructions. Set of procedures used to measure or manipulated variables (:. Ensures abstract concepts are discussed with concrete terms. Help researchers communicate their ideas to others (understanding of definitions: e. g. Researcher changing the conditions to which participants are exposed to: how variable is manipulated depends on: and terms)

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