PSY240H1 Chapter Notes - Chapter 5: Internal Validity, External Validity, Dependent And Independent Variables
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PSY240H1 Full Course Notes
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Research methods in the study of abnormal behaviour. Propositions and ideas must be stated in a clear and precise way so they can be tested. A hypothesis must be willing to systematic testing that could show it to be false: whatever is observed must be replicated. If it cannot be reproduced, then scientist become wary of the legitimacy of the original observation. Theoretical concepts can also summarize already observed relationships: operationalism: proposed that each concept take as its meaning a single observable and measureable operation. In this way, each theoretical concept would be nothing more than one particular measurable event. Theoretical concepts are better defined by sets of operations than by a single operation. Provides detail description of rare or unusual phenomenon and of important methods or procedures, diagnoses and treatment. Some cases are so unique that it is impossible to generalize to other individuals. But it is unable to provide satisfactory evidence concerning cause-effect relationships.
