PSYCH 1X03 Chapter Notes - Chapter 2: Construct Validity, Formal Methods, Deductive Reasoning
23 Feb 2015
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Informal answers to research questions by relying on personal experience, whereas formal methods; techniques and concepts know as the scientific method is what psychologists are interested in. Ob-ob mouse: particular term for a mouse that is the result of a genetic mutation associated with extreme obesity in the mouse. Operational definition: describes the actions or operations that will be made to objectively measure or control a variable. Variable: feature or characteristic that is free to take on (at least two) different values. Construct validity: extent to which there is evidence that a test measures a particular hypothetical construct. Conclusion: the field of psychology is firmly based on the use of the scientific method and empirical accuracy in the formation of theories. Section 1: the scientific approach to psychology i. The role of empirical adequacy: proper research also requires that claims and theories are based on observable, testable phenomena, not merely reasonable claims, opinions or assumptions.
