PSYC 102 Study Guide - Midterm Guide: Heritability, Relativism, Object Permanence

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PSYC 102 Full Course Notes
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PSYC 102 Full Course Notes
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Our intuitions are often biased: descriptive research: We know our variables and want to describe them. In a public setting, do happy people tend to be grouped with other happy people, and sad people with other sad people: correlational research: Using correlations in twins to measure heritability of a trait. Magnitude of value, shows you the strength of the relationship. Positive relationship means they move in the same direction. You can test many variables at the same time. Lower numbers(. 24) is a higher correlation than (. 70) Statistical significance: the statistics that went into calculating the magnitude of the relationship. Less than 5% probability that the difference between conditions happened by chance. Can test effects of one variable compared to another. Cannot determine cause, although longitudinal approaches are better: experimental research. Ex: double-blind, placebo controlled study of treatment effectiveness. Experiments are experiments, don"t believe all of them. Experiments are the only way to isolate cause and effect.

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