1-27-11

1-27-11 - 1-27-11 The Research Hypothesis o Characteristics...

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Unformatted text preview: 1-27-11 The Research Hypothesis o Characteristics of the hypothesis o Types of reasoning Inductive logic: specific to general conclusions • Kitty Genovese (Darly & Latane, 1968) – stabbed to death (bystander effect) Deductive logic: general to specific • Use the bystander effect (general principle) to formulate a specific hypothesis that in the experiment where someone has a seizure (fake) that people will be more likely to help when there are fewer bystanders present o Directional vs nondirectional research hypothesis Directional: prediction of a specific outcome of an experiment • Group A will score higher than Group B or Group B will score higher than Group A; can only choose one prediction Nondirectional: specific prediction about outcome is not made • Group A will be significantly different from Group B; you know they are different but you don’t know how they are different o How do you choose? If your theory support it and you are fairly certain of the outcome choose directional. You can be more cautious and choose nondirectional but chances of finding a stat. significant finding go down (we will talk about that later). ...
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This note was uploaded on 04/05/2012 for the course PSY 3213 taught by Professor Staff during the Spring '11 term at FSU.

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