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.
Chapter 3: Selecting a Statistic to Answer Your Research Question
Selecting a Statistic to Answer Your Research Question
The Family Support Center needs to know the number of families in its caseload that have a child under school age because of a funding opportunity for a new program for families with young children. The center staff need a descriptive statistic like a frequency (i.e., How many are there?). They also need to know the mean (average) age of the mothers and the fathers of these children because these data must be in the grant proposal. The mean is another descriptive statistic.
The County Social Services Agency is evaluating its foster care program to see whether foster parents have improved in their self-confidence as a foster parent following a ...