PSYCH 360 Chapter Notes - Chapter 2: Internal Validity, Longitudinal Study, Informed Consent
16 Feb 2013
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Hindsight bias is people"s tendency to be overconfident about whether they could have predicted a given outcome. Hypothesis is a prediction about what will happen under particular circumstances. Theory is a body of related prepositions intended to describe something about the world. Balance theory is a theory that people like to have constant thoughts and behaviors and will do substantial mental work to achieve cognitive consistency. Archival research is based on statistic and findings from newspapers, sports loggings and databases. Surveys simply ask people questions about their opinions to gain information. Imperative that these involve a random sample of participants. A convenience sample is not random and may be biased in some ways. May also include too many of some kinds of people and too few of others. Correlational research does not involve random assignments to different situations and that psychologists conduct just to see whether there is a relationship between variables.
