PSYC 201 Lecture Notes - Lecture 2: Spurious Relationship, Hindsight Bias, Random Assignment

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Hindsight bias people"s tendency to be overconfident about whether they could have predicted a given outcome. Theory a body of related propositions intended to describe some aspect of the world: supported by empiral evidence; general. Hypothesis a prediction about what will happen under particular circumstances: often test broader theories about behavior; specific. Operationalization turn an abstract concept into something observable that we can test with experiments. Observational research observing social situations in a semi-formal way. Archival research analyzing social behaviors documented in past behaviors. Surveys interviews or written questionnaires: random everyone in the population has an equal chance to be selected to participate, convenience participants are selected from an easily available subgroup. Reverse causation x may cause y or y may cause x. Third variable problem x doesn"t cause y, y doesn"t cause x, some other unmeasured variable causes both. Measured as they occur in the real world . No assignment to levels of a variable (i. e. condition)

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