This practical book shows how both Excel® and SPSS® can be used for analyzing data for human service evaluation. Assuming no prior instruction for statistics, the text utilizes a “learn by doing” approach: readers see the use of statistics demonstrated and then are encouraged to apply their own data to statistical analysis with step–by–step guidance. Decision trees, practice exercises, and quizzes ensure readers will be well prepared to practice data analysis in a wide variety of human services situations.

Analyzing Data With Pretest and Posttest Measurements of One Group: Using the Paired t test, the One-Sample t Test, and the Binomial Test

Analyzing Data With Pretest and Posttest Measurements of One Group: Using the Paired t test, the One-Sample t Test, and the Binomial Test

Paul is evaluating a recreational therapy program for people with dementia. The objective of this program is to enhance general life satisfaction. He administered a life satisfaction scale to a group of clients once before service began and once again at the end of 8 weeks of service. Because he did not collect data in a manner to match each person’s pretest scores and posttest scores, he needs to compare the posttest scores of his 21 clients to the ...

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