PSYC 300B Chapter Notes - Chapter 1: Count Data, Dependent And Independent Variables, Descriptive Statistics
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Psyc 300b - chapter 1: operationalizing independent & dependent variables: levels of variables both the iv & dv can be de ned on 3 levels: (i) conceptual variables (constructs) the theory. Vague, not well de ned or in meaningful terms. Refers to general abstractions or theoretical level of the variable. Measurement depends on how the variable is de ned (ii) research hypothesis the hypothesis. Abstract concept that is more speci c & more concrete. The research question is the purpose for doing the research. The research hypothesis is stated in operational terms (iii) operational de nition the experiment. Operational: method used to measure the concept. Iv: how the variable is de ned in the experiment: either manipulated or measured. De ne the hypothesis by making the theory more concrete. Determined prior to experiment being conducted or data being collected. Ratio scale frequency: how often or how much in terms of behaviour.