JMP® Means Business: Statistical Models for Management

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 ...