PSY311H5 Chapter Notes -Cortisol, Habituation, Ethnography

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3 May 2013
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Operationalization: defining a concept so that it is observable and measurable. Construct: an idea or concept, especially a complex one. Following the scientific method, social development, researchers sue reliable and replicable techniques to collect and analyze data to answer their questions or test their theory-based hypotheses. The correlational method involved computing associations between pairs of variables, varying from -1. 0 to 1. 0. Correlated variables are related to each other, but one does not necessarily cause the other. A laboratory experiment permits a researcher to establish a causal association by manipulating the independent variable and assessing the effect on the dependent variable in a controlled setting. Researchers randomly assign participants to experimental and control groups. Independent variable: the factor that researchers deliberately manipulate in an experiment. Dependent variable: the factor that researchers expect change as a function of change in the ind. Ecological validity: the degree to which a research study accurately represents events or processes that occur in the real world.

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