As this was the first study that we conducted with our measure of a preference for self-similar others, we assumed an effect size of r = 0.20, which is the recommended minimum for a practically significant effect in social science ( 67 ).
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As this was the first study that we conducted with our measure of a preference for self-similar others, we assumed an effect size of r = 0.20, which is the recommended minimum for a practically significant effect in social science ( 67 ).