CHAPTER 11
DATA COLLECTION
This chapter provides a wide-ranging review of data collection methods. It emphasizes the importance of choosing an appropriate method, analyzes the role of the observer, and surveys a variety of person-centered and instrument-centered approaches. It then reviews the role of classic and variant experimental designs in evaluation and discusses the evaluator's use of existing data and literature searches.
Just as the interpretations and recommendations that the evaluator makes depend on the range of the data collected, so too the data collected are a function of the data collection tools used. Unfortunately evaluators often limit the data they collect by employing a narrow set of observation methods with which they are ...
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