After reading this chapter, you should be able to
8.1 Describe the six major methods of data collection.
8.2 Describe the idea of mixing methods of data collection and contrast withinmethod
and between-methods mixing.
8.3 Explain the characteristics of tests.
8.4 Define and explain the characteristics of questionnaires.
8.5 Define and explain the characteristics of interviews.
8.6 Define and explain the characteristics of focus groups.
8.7 Define and explain the characteristics of observations.
8.8 Explain the characteristics of constructed, secondary, and existing data.