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Ch 13: Statistics, Tests and Measurement in Psychology: Help and Review

About This Chapter

The Statistics, Tests and Measurement chapter of this Intro to Psychology Help and Review course is the simplest way to master psychological statistics, tests and measurement. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of statistics, tests and measurement.

Who's it for?

Anyone who needs help learning or mastering introductory psychology material will benefit from taking this course. There is no faster or easier way to learn about introductory psychology. Among those who would benefit are:

  • Students who have fallen behind in understanding statistics, tests and measurements or working with research designs
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning psychology (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about statistics, tests and measurement
  • Students who struggle to understand their teachers
  • Students who attend schools without extra psychology learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Statistics, Tests and Measurement chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Statistics, Tests and Measurement chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any statistics, tests and measurement question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

In this chapter, you'll learn the answers to questions including:

  • What are the different types of research designs?
  • How do psychologists ensure that their tests are reliable and valid?
  • What is the role of statistical analysis in psychology?

18 Lessons in Chapter 13: Statistics, Tests and Measurement in Psychology: Help and Review
Intro to Statistics, Tests and Measurement

1. Intro to Statistics, Tests and Measurement

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.

Reliability and Validity

3. Reliability and Validity

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

4. Statistical Analysis

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.

Percentile Rank in Statistics: Definition & Formula

5. Percentile Rank in Statistics: Definition & Formula

In this lesson, you will learn to define percentile rank and learn how it is calculated. Following this lesson, you will have the opportunity to test your knowledge with a short quiz.

Calculate Variance from the Mean: Formula& Examples

6. Calculate Variance from the Mean: Formula& Examples

In this lesson, we'll define the terms needed to calculate variance, and we'll discuss the process for determining variance from the mean of a set of numbers. You can also practice with an example that provides easy step-by-step calculations.

Face Validity: Definition & Examples

7. Face Validity: Definition & Examples

Face validity is defined as the degree to which a test seems to measure what it reports to measure. Learn more about face validity from examples, then test your knowledge with a quiz.

Factor Analysis: Confirmatory & Exploratory

8. Factor Analysis: Confirmatory & Exploratory

A factor analysis is a statistical procedure that is used in order to find underlying groups of related factors in a set of observable variables. Learn about the different types of factor analyses and more.

Fecundity vs. Fertility: Definition & Overview

9. Fecundity vs. Fertility: Definition & Overview

In this lesson, we will learn about fecundity and fertility and how they are different. Learn more about fecundity and fertility from examples and then test your knowledge with a quiz.

Internal Validity in Psychology: Threats, Definition & Examples

10. Internal Validity in Psychology: Threats, Definition & Examples

Internal validity is a scientific concept that addresses the relationship between two variables. It refers to the extent that a study can rule out or make unlikely alternate explanations of the results.

Regression To The Mean in Psychology: Definition & Example

11. Regression To The Mean in Psychology: Definition & Example

Regression to the mean occurs when the second measurements of a particular variable are less extreme than the first. Learn about regression to the mean, random variance, and more.

Z-Scores in Statistics Explained: Formula, Overview

12. Z-Scores in Statistics Explained: Formula, Overview

The z-score is the number of standard deviations away from the mean. It allows for standardizing scores so that they can be compared across samples or tests.

Leading Questions: Examples & Definition

13. Leading Questions: Examples & Definition

You've probably heard the term 'leading question' used in a courtroom context, but they're more common than you might think. In this lesson, learn what defines a leading question, identify common characteristics, and explore examples.

Likert Scale: Definition, Examples & Analysis

14. Likert Scale: Definition, Examples & Analysis

Did you know that the term 'Likert scale' is named after University of Michigan sociologist Rensis Likert? In this lesson, you will learn more about Likert scales through a set of examples. Following the lesson, you can test your knowledge with a quiz.

Electroencephalogram: Definition, Procedures & Tests

15. Electroencephalogram: Definition, Procedures & Tests

In this article, you will learn what an electroencephalogram (EEG) is and how it is recorded. You will also learn how is used by researchers to study sleep and by clinicians to study seizures.

Hindsight Bias in Psychology: Definition & Examples

16. Hindsight Bias in Psychology: Definition & Examples

Hindsight bias is a common bias that everyone experiences. You have probably experienced it numerous times in your life without even realizing it. In this lesson, you will learn the definition of hindsight bias and be provided with some examples.

Application of Statistics in Psychology

17. Application of Statistics in Psychology

In this lesson, we'll talk about how psychologists use descriptive statistics and inferential statistics in social research. You'll learn how these statistics differ and why a researcher would use one over the other.

What is the Thematic Apperception Test (TAT)?

18. What is the Thematic Apperception Test (TAT)?

In this lesson, you'll learn about the Thematic Apperception Test: what it is, its purpose, how it has evolved, how it is administered and scored, and its major criticisms as a personality assessment tool.

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