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Ch 2: AP Psychology: Research Methods Used in the Study of Psychology

About This Chapter

This chapter helps you review the various methods that researchers have come up with to study the human mind. You'll study statistics, research design, reliability of experiments, and more in preparation for the AP Psychology exam.

AP Psychology: Research Methods Used in the Study of Psychology - Chapter Summary

Because psychology is a scientific field, there are certain ways that psychologists perform experiments, gather data, and analyze their findings. Get ready for questions on the AP Psychology exam as you learn about ways to set up experiments, how research is conducted, and how to make sure your experiment is reliable and valid. After gathering data, psychologists have to analyze it, which you'll learn about in terms of statistics. Because psychology deals with humans, there can be some confusing ethical questions that arise, and you'll see how deception plays a part in many psychological experiments. After completing this chapter, you should be able to:

  • Identify basic statistical data
  • Describe different types of psychological research design and testing
  • Compare basic and applied research
  • Detail norm-referenced and criterion-referenced tests
  • Discuss direct and indirect measurements
  • Relate standardization information related to psychological tests
  • Understand the use of random assignments and samples

Our expert instructors have created a chapter that contains all you need to know about research methods in psychology. You'll find that definitions are worded in a clear, easy-to-understand way that allows you to quickly grasp concepts and move on. You can assess your knowledge of each topic by using the lesson-ending quizzes, which give you immediate feedback. Also, you can track your progress on your Dashboard as you progress through the chapter.

12 Lessons in Chapter 2: AP Psychology: Research Methods Used in the Study of Psychology
Test your knowledge with a 30-question chapter practice test
Introduction to Research Design & Statistical Analysis for Psychology

1. Introduction to Research Design & Statistical Analysis for Psychology

What do psychologists have to think about when designing studies and interpreting results? In this lesson, you'll explore how the scientific method can help with the difficult task of studying behaviors and their potential causes.

Types of Research Designs in Psychology

2. Types of Research Designs in Psychology

What are the three main research designs, and what are their advantages and disadvantages? In this lesson, you'll explore the different goals behind descriptive, correlational and experimental research designs.

Random Assignment in Psychology: Definition, Example & Methods

3. Random Assignment in Psychology: Definition, Example & Methods

Random assignment is used by research psychologists studying human behavior. In this lesson, you'll discover why random assignment is crucial to methods of experimentation and research design.

Random Sample in Psychology: Example & Definition

4. Random Sample in Psychology: Example & Definition

A random sample is a very important component in research. In this lesson, learn more about random samples, some advantages and disadvantages of each, and look at some examples.

Reliability & Validity in Psychology: Definitions & Differences

5. Reliability & Validity in Psychology: Definitions & Differences

How do validity and reliability contribute to study design in psychology? In this lesson, you'll look at how experiments can fail reliability and validity requirements to get an idea of the challenges behind conducting significant psychological research.

Statistical Analysis for Psychology: Descriptive & Inferential Statistics

6. Statistical Analysis for Psychology: Descriptive & Inferential Statistics

What are the two main types of statistics used by psychologists? In this lesson, you'll start to see what psychologists need to do to analyze their data and test the significance of their results.

Ethics in Psychological Experiments: Importance & Examples

7. Ethics in Psychological Experiments: Importance & Examples

What are the ethical principles of psychological research? In this lesson, you'll take a look at the careful considerations a psychologist must make with respect to her participants when she designs a test.

Basic Research and Applied Research: Definitions and Differences

8. Basic Research and Applied Research: Definitions and Differences

In this lesson, we look at the difference between basic and applied psychological research and discover why there is a separation. Through examples, we'll answer the questions, 'What is the purpose of research if it doesn't apply to the real world?' and 'How are the two interrelated?'

Standardization and Norms of Psychological Tests

9. Standardization and Norms of Psychological Tests

Many psychological tests, including intelligence tests, are about comparing your score to others' scores to see how you did. Watch this lesson to find out about two important concepts in psychology: standardization and norms.

Types of Assessments Used in Psychology

10. Types of Assessments Used in Psychology

Psychological assessments are tests that are meant to analyze a person's abilities or personality. In this lesson, we'll examine some common types of psychological tests, including projective tests, inventories, and aptitude tests.

Types of Tests: Norm-Referenced vs. Criterion-Referenced

11. Types of Tests: Norm-Referenced vs. Criterion-Referenced

What's the best way to score tests? In this lesson, we'll look at two major types of tests that are scored differently from each other: norm-referenced and criterion-referenced tests.

Types of Measurement: Direct, Indirect & Constructs

12. Types of Measurement: Direct, Indirect & Constructs

How do you measure psychological traits? In this lesson, we'll look at how psychologists measure traits, including direct and indirect observation. We will also explore why psychological traits are so difficult to measure.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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