PSYC 106 Lecture 9: PSYC 106 WEEK 9

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Measurement- just use psychology ruler and figure out how much depression or intelligence someone has. With measuring something quantifiable, putting a number on it. Science: a variable has to somewhat be quantitative. Variable must possess a quantitative structure independent of measurement. Variations in magnitude; different magnitudes can be related by ratios that are all real numbers. Need for quantification in order to be considered a science. View that psychological phenomena can indeed be measures. The problem is the number can separate from tool. Measurement consists of the assignment of numerals to objects or events according to rules . Ordinal: rank order but there are difference between them. All that matters is numbers were assigned systematically. Imposing quantitative isn"t an issue because just following these rules. Empirical camp- whether variable is quantitative in nature is an empirical question. Conceptual camp- whether a variable is quantitative depends on the meaning of a concept and whether the rules for appropriate use permit measurement.

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