Operational Definitions

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Evaluate the Quality of the Operational Definitions Conclusion made is only as good as the methods behind the conclusion 3 pillars of evaluating a scientific article Evaluate the quality of operational definitions Evaluate internal validity Evaluate whether the methods used allow cause-and-effect conclusions Access external validity How does mental illness alter the development of children and youth? Identifying Operational Definitions Distinguish independent from Dependent Variables The independent variable (IV) is the value being manipulated or changed. The IV often (but not always) has two levels or values Considered to be the ‘cause’ The dependent variable (DV) is the observed result of the independent variable. Is influenced by the IV Is measured Outcome, ‘effect’ The selection criteria influences what participants are selected based on
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