PSYC 1000 Lecture Notes - Lecture 2: Hindsight Bias, Guelphs And Ghibellines, Statistical Hypothesis Testing
22 Oct 2018
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Why do we need psychological research: our natural thinking style can fail. Five characteristics of good research: use of objective measures, generalizability of results, reducing sources of bias, reporting the findings, replication. Population - a large group of people whose behaviour you"re trying to understand. Sample - a subset of the population that you test in your study. In order to make conclusions about a population based on a sample, you need. Random sampling - making sure that every individual in the population has an equal chance of being included in your sample. Convenience sampling - using samples of individuals who are most readily available. Accidental and inadvertent: can control using a double-blind procedure. Neither the researcher nor the participants know what group they"re in: participant biases, hawthorne effect: When participants show a change in behaviour due to the fact that they are being observed: demand characteristics:
