PSY100Y5 Chapter Notes - Chapter 2: Operational Definition, Fear, Percentile
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PSY100Y5 Full Course Notes
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Document Summary
Anecdotal evidence- consists of personal stories about specific incidents and experiences (p. 74) Case study- an in-depth investigation of an individual subject (p. 51-52) Confounding of variables- occurs when two variables are linked together in a way that makes it difficult to sort out their specific effects (p. 48) Control group- consists of similar subjects who do not receive the special treatment given to the experimental group (p. 47) Correlation- exists when 2 variables are related to each other (p. 58) Correlation coefficient- a numerical index of the degree of relationship between two variables (p. 58) Data collection techniques- procedures for making empirical observations and measurements (p. 45) Dependent variable- the variable that is thought to be affected by manipulation of the independent variable (p. 47) Descriptive statistics- are used to organize and summarize data (p. 53) Double-blind procedure- a research strategy in which neither subjects nor experimenters know which subjects are in the experimental or control groups (p. 66)