CHAPTER 5Data Collection
Purpose of these tools
To help you collect reliable data that are relevant to the key questions you need to answer for your project
Deciding which tool to use
• Types of data, p. 70 to 71, discusses the types of data you may encounter, and how data type influences what analysis methods or tools you can and cannot use. Review as needed.
• Data collection planning, pp. 72 to 77, includes discussion of the measurement selection matrix (p. 74); stratification (p. 75); operational definitions (p. 76); and cautions on using existing data (p. 77). Use whenever you collect data.
• Checksheets, pp. 78 to 81, includes illustrations of different checksheets: basic (p. 79); frequency plot checksheet (p. 80); traveler (p 80); location ...
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