PSYB30H3 Lecture : Lecture 2

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28 Jan 2011
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Constructs variables we use to categorize the rules. Dependency is unhealthy implies two constructs, dependency and health and a relationship between them how to formalize and test. Criteria that have been established we can use to judge theories. 7 widely accepted criteria (listed in order) coherent logical, statements need to hang together, there needs to be internal consistency, theory should not contradict itself. testable give r ise to hypotheses that are clearly falsifiable, scientists needs to verify propositions about world, theory should specify what we must look at in the world to prove theory as true or false. empirically valid consistent with data collected. comprehensive refers to scope, explanatory scope of a particular theory. In order to explain more, more constructs are needed complicated theory is not desirable. parsimonious to be simple and elegant, parsimonious and comprehensiveness are traded off against each other.

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