Disabled Students A social skillstraining program, reported in Psychology in theSchools
Chapter 3, Problem 17(choose chapter or problem)
Disabled Students A social skillstraining program, reported in Psychology in theSchools, was implemented for seven students withmild handicaps in a study to determine whether theprogram caused improvement in pre/post measures andbehavior ratings.5 For one such test, these are thepretest and posttest scores for the seven students:Student Pretest PosttestEarl 101 113Ned 89 89Jasper 112 121Charlie 105 99Tom 90 104Susie 91 94Lori 89 99 a. Draw a scatterplot relating the posttest score to thepretest score.b. Describe the relationship between pretest andposttest scores using the graph in part a. Do you seeany trend?c. Calculate the correlation coefficient and interpret itsvalue. Does it reinforce any relationship that wasapparent from the scatterplot? Explain.
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