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Peer reviewedHuck, Schuyler W.; And Others – Teaching of Psychology, 1992
Presents a classroom demonstration illustrating the connection between spread and Pearson's r. Discusses different factors that may result in an increase, decrease, or no change in r. Describes an exercise using decks of playing cards to generate hypothetical data on variables of intelligence quotient (IQ) and grade point average (GPA). (DK)
Descriptors: Class Activities, Demonstrations (Educational), Higher Education, Predictor Variables
