PSYCH235 Lecture Notes - Lecture 2: Operationalization, Operational Definition, External Validity
11 Feb 2016
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Psychological construct attitude, self-esteem, extroversion; how do we measure thi. Something like an attitude something that cant be seen Operational definition measure of the manipulation of the variable in a study: example: anxiety how anxious people get in closed areas. How can you tell how anxious people are: physiological: heart rate, sweating, fidgeting, if you allow people to leave the study, for example, we can measure anxiety through how many people left. In one study, how far away people sat from a group/individual in a room of chairs can determine who they are prejudice against. Conceptual definition - a hostile attitude directed against an individual or a group. Operational definition - sitting distance (chair position) Does not mean one necessarily causes the other, but there is a correlation between the two. Measures variables at the same time, not changing anything. Extent to which research yields clear casual information. Extent to which results generalize beyond current sample, setting, etc.
