Ch 8: Sampling and Generalization

Use the following video lessons and online quizzes to learn about the importance of sampling and generalization in psychology research. These easy-to-follow lessons are just a portion of our online study guide and video collection.

Sampling and Generalization - Chapter Summary and Learning Objectives

The video lessons in this chapter will help you understand the importance of obtaining a good sample for research. You'll learn why sound methods of sampling are vital to the success of a research project and study the methods of obtaining a sample. Probability and non-probability sampling methods are explored in this chapter, including a discussion of sampling issues that may arise. Another lesson looks at how population, sample and generalizability are related. By the end of this chapter, you should have a solid grasp of concepts including:

• Definition of sampling methods for research
• Types of probability and non-probability sampling methods
• Relationship between population, generalizability and sample
• How to determine an appropriate size for a sample

Video Objectives
What is Sampling in Research? - Definition, Methods and Importance Define and discuss sampling. Explain why good sampling could be considered the most important step in any research project.
The Relationship Between Population, Sample and Generalizability Examine the relationship between population, sample and generalizability.
Probability Sampling Methods: Definition and Types Study probability sampling methods, including simple random sampling, computer-generated random sampling and systematic sampling.
Non-Probability Sampling Methods: Definition and Types Take a look at the various non-probability sampling methods, including convenience sampling and quota sampling.
Issues in Probability and Non-Probability Sampling Explore sampling issues in both probability and non-probability sampling.
How to Determine Sample Size Discuss how to determine an appropriate sample size.

7 Lessons in Chapter 8: Sampling and Generalization
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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