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.

Statistics for Evidence-Based Practice

Statistics for Evidence-Based Practice

Human service agencies are increasingly expected to demonstrate that they employ evidence-based practices. This means they take scientific evidence into consideration when making practice decisions. If they ignore evidence, they cannot honestly refer to their practices as evidence-based. But the term evidence-based practice means different things to different people. In this chapter, we will examine the concept of evidence-based practice and the statistics that are associated with different forms of evidence.

But first, let’s examine the idea of evidence. In its broadest sense, evidence can be said to be any information presented on behalf of an assertion. But in the scientific world, evidence refers to information collected according to the principles and practices of scientific inquiry. This book ...

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