Chapter 2. Data Collection in Surveys

  • 2.1 Introduction 20

  • 2.2 Questionnaires 21

    • 2.2.1 Layers of a Questionnaire 21

    • 2.2.2 How to Ask Questions 22

    • 2.2.3 Questionnaire Design 24

    • 2.2.4 Guidelines for Writing Questions 24

  • 2.3 Sampling 33

    • 2.3.1 Sampling Concepts 33

    • 2.3.2 Probability Samples 36

    • 2.3.3 Probability versus Non-Probability Samples 37

    • 2.3.4 Common Types of Probability Sampling 38

    • 2.3.5 Other Sampling Methods 45

  • 2.4 Summary 46

  • 2.5 Problems 47

  • 2.6 Case Study: Green's Gym–Part 2 51

  • 2.7 References 51

2.1 Introduction

Surveys collect data from populations using questionnaires. A survey can be designed to yield descriptive and predictive results. Government surveys often find descriptive facts about populations. A household expenditure survey is designed to find ...

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