PSY100Y5 Chapter Notes - Chapter 2: Frequency Distribution, Standard Deviation, Blind Experiment
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PSY100Y5 Full Course Notes
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Psychologists and other scientists share three sets of interrelated goals: Measurement and description develop measurement techniques that make it possible to describe behavior clearly and precisely. Application and control practical problems and how to control them: theory a system of interrelated ideas used to explain a set of observations, must be testable. Scientific investigation are systematic follow an orderly pattern. Step 1: formulate a testable hypothesis: hypothesis expressed as a prediction, operational definition describes actions that will be used to measure or control a variable (iv, dv, cv) Step 2: select the research method and design the study: how to put the hypothesis through an empirical test, subjects/participants persons or animals whose behavior is systematically observed in a study. Step 3: collect the data: data collection techniques procedures for making empirical observations and measurements i. e. direct observation, questionnaires, interviews, etc.