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Ch 2: Psychology Research Methods

About This Chapter

Watch video lessons to learn about the various dimensions of psychological research methods. Find out about different research designs and tools and about how to produce high-quality research.

Psychology Research Methods - Chapter Summary

In this chapter, you will learn all about research methods used by psychologists. You'll find out about different research designs, validity and reliability and how these are measured, and scientific vs. nonscientific research. This chapter will discuss the scientific method and statistical analysis.

Our lessons also cover the differences between basic and applied research, and experimental vs. non-experimental research. As you progress through this chapter, you can find out about qualitative, quantitative and mixed research methods. After completing this chapter, you should be able to:

  • Define research and discuss types of research designs in psychology
  • Explain the constructs of reliability and validity
  • Discuss statistical analysis
  • Identify psychological research tools
  • Distinguish scientific vs. non-scientific research
  • Define the scientific method
  • Explain qualitative, quantitative and mixed methods
  • Distinguish basic and applied research

We use short, engaging video lessons to streamline learning and make it fun. In addition to the video lessons, you'll find self-assessment quizzes and lesson transcripts to accompany each video. We'll give you key terms that are important to remember and link them to the text lessons. To help you find specific places in the videos you wish to review, we include convenient video tags. All these materials were developed by our knowledgeable instructors who are subject-matter experts in their field.

13 Lessons in Chapter 2: Psychology Research Methods
Test your knowledge with a 30-question chapter practice test
What is Research? - Definition, Purpose & Typical Researchers

1. What is Research? - Definition, Purpose & Typical Researchers

Psychological research helps to shape our society - from the way we raise our children to the way we treat our criminals and military enemies. But what is research and who conducts it? This lesson explores the purposes of research in psychology and the individuals who observe, record, and alter our behavior.

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.

Reliability & Validity in Psychology: Definitions & Differences

3. 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

4. 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.

How to Produce High-Quality Research

5. How to Produce High-Quality Research

Psychology is a science that requires high quality research due to the inherent complexity of human thoughts, behaviors and emotions. One way to go about producing high quality research is to follow certain guidelines that all true sciences follow.

Nonscientific and Scientific Research: Definitions and Differences

6. Nonscientific and Scientific Research: Definitions and Differences

Explore the way people 'know' information without using a scientific methodology. Have you ever fallen for nonscientific research and then presented it as fact?

What Is the Scientific Method in Psychology? - Definition, Characteristics & Steps

7. What Is the Scientific Method in Psychology? - Definition, Characteristics & Steps

How might someone apply the scientific method to psychological research? We will review the steps of the scientific method and how they applied to one of the most famous psychological studies ever conducted.

Applying the Scientific Model to the Decision-Making Process

8. Applying the Scientific Model to the Decision-Making Process

You've conducted the research and compiled it all together. Now what? What good is 300 pages of research if it is too complex to convey? You can turn it into a model and teach others, but be wary of the pitfalls.

Psychological Research Tools: Observation, Measurement & Experimentation

9. Psychological Research Tools: Observation, Measurement & Experimentation

What are the primary ways a psychologist goes about conducting research? In this lesson, we will look at the three main ways a researcher can go about learning something, as well as some of the more famous psychological research that has used these techniques.

Non-Experimental and Experimental Research: Differences, Advantages & Disadvantages

10. Non-Experimental and Experimental Research: Differences, Advantages & Disadvantages

How is a non-experimental design scientific? We will look at what it means to use experimental and non-experimental designs in the course of psychological research. We will also look at some classic examples of different types of research.

Research Methodologies: Quantitative, Qualitative & Mixed Method

11. Research Methodologies: Quantitative, Qualitative & Mixed Method

While there are many ways to conduct an experiment in psychology, there are only so many ways you can describe it. In this lesson, we will discuss the differences, strengths, and weaknesses of the qualitative, quantitative, and mixed methods.

Basic Research and Applied Research: Definitions and Differences

12. 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?'

Purposes of Research: Exploratory, Descriptive & Explanatory

13. Purposes of Research: Exploratory, Descriptive & Explanatory

There is a parallel between how people come to understand something and the process of researching an idea. This lesson explores the purposes of research as well as three approaches to research in psychology: exploratory, descriptive, and explanatory.

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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