Ch 2: Holt Psychology - Principles in Practice Chapter 2: Psychological Methods

About This Chapter

The Psychological Methods chapter of this Holt Psychology Principles in Practice Companion Course helps students learn the essential lessons associated with psychological methods. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Psychological Methods textbook chapter.

How It Works:

  • Identify the lessons in the Holt Psychological Methods chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the psychological methods topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • Scientific research
  • Survey research
  • Samples and populations
  • Observational and field research
  • Correlations in research
  • How researchers control for extraneous variables
  • Central tendency
  • Dispersion and skewness
  • Ethical considerations in psychological experiments

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10 Lessons in Chapter 2: Holt Psychology - Principles in Practice Chapter 2: Psychological Methods
Test your knowledge with a 30-question chapter practice test
What is Scientific Research?

1. What is Scientific Research?

This lesson will discuss important components of scientific research, including the scientific method, peer review, statistical significance, and more!

What Is Survey Research? - Definition, Methods & Types

2. What Is Survey Research? - Definition, Methods & Types

This lesson explores the ways a researcher may employ the types of surveys used in research. We will also go over the strengths and weaknesses of each type of survey.

Samples & Populations in Research: Definition

3. Samples & Populations in Research: Definition

When planning an experiment, you will likely use groups of participants. This lesson explores the types of groups an experimenter can collect data from and the reason why there are different groups.

How Observational & Field Research Are Used to Collect Data

4. How Observational & Field Research Are Used to Collect Data

Psychologists have many different options for where and how to do research. Watch this video to learn more about the difference in field and lab research and the advantages and disadvantages of observational research

How to Interpret Correlations in Research Results

5. How to Interpret Correlations in Research Results

Perhaps the most common statistic you'll see from psychology is a correlation. Do you know how to correctly interpret correlations when you see them? This lesson covers everything you need to know.

True Experimental Design

6. True Experimental Design

Experiments are the classic way to conduct research in almost any field of study. But do you know how true experiments really work? This lesson explains the details of experimental design, such as different types of samples, control groups and independent vs. dependent variables.

Controlling for Extraneous Variables: Single Blind, Double Blind & Placebo Methods

7. Controlling for Extraneous Variables: Single Blind, Double Blind & Placebo Methods

Sometimes researchers are confronted with extraneous factors that affect the outcome of their studies. In this lesson, we'll look at ways to control for these extraneous variables, including single-blind and double-blind studies and placebos.

Measures of Central Tendency: Definitions & Practice

8. Measures of Central Tendency: Definitions & Practice

After watching this video, you will be able to explain the meaning of the terms central tendency, mode, mean and median. You will also be able to calculate these three values from provided data. A short quiz will follow.

Measures of Dispersion and Skewness

9. Measures of Dispersion and Skewness

Watch this video lesson to learn how you can describe your data using two different statistical characteristics. Learn what it means for your graph to have variability and what it means for your graph to be skewed.

Ethics in Psychological Experiments: Importance & Examples

10. 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.

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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