PSYC 2001 Chapter Notes - Chapter 8: Scatter Plot, External Validity, Effect Size
14 Feb 2018
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Chapter 8 summary: bivariate correlational research (sub bivariate correlation to bc: bivariate correlation: or bivariate association, involves 2 variables. Measure the first variable and then the second. Eg: mehl and colleagues: association b/w deep conversation and happiness measure of happiness and measure of deep talk. (deeper conversations = higher well-being score). You can measure more than 2 variables, an analysis of bivariate correlations only looks at 2 variables at a given time. 1) record data, 2) describe the association using a scatterplot. Recall: r has 2 qualities strength and direction. A scatterplot is the best way to represent the data in a. Quantitiative (both variables) bivariate correlational study: if a variable is categorical and another one quantitative, data are shown in a bar graph. Difference between 2 groups means used to describe relationship: the description of association ( in terms of scatterplot or bar graph ) does(cid:374)"t (cid:373)atter.
