Ch 2 Book Notes

Ch 2 Book Notes - Psychologists rely on formal, systematic...

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Psychologists rely on formal, systematic observations to address their questions --> makes it a science The scientific approach assumes that events are governed by some lawful order 3 sets of interrelated goals Measurement and description - first goal of psychology is to develop measurement techniques that make it possible to describe behavior clearly and precisely Understanding and prediction - Application and control - Theory - System of interrelated ideas used to explain a set of observations Must be testable In a typical study, investigators test one or two specific hypothesis derived from a theory Steps in a scientific investigation 1. Formulate a testable hypothesis i. Must be formulated precisely, variables must be clearly defined ii. OPERATIONAL DEFINITION: DESCRIBES THE ACTIONS OR OPERATIONS THAT WILL BE USED TO MEASURE OR CONTROL A VARIABLE 1. Select the research Method and Design the Study i. Various methods have different advantages and disadvantages ii. Participants - the persons or animals whose behavior is systematically being studied
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Ch 2 Book Notes - Psychologists rely on formal, systematic...

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