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Research Methods

Psychological Research Methods: Types and Tips

Psychological research methods are the techniques used by scientists and researchers to study human behavior and mental processes. These methods … Read More

Likert Scale: Definition, Examples, and Uses

A Likert scale is often used in psychology research to evaluate information about attitudes, opinions, and beliefs.

What Are Practice Effects?

Sometimes in psychology experiments, groups of participants are required to take the same test more than once. In some cases, … Read More

Random Assignment: Definition With Examples

Random Assignment by rolling dice

Random assignment involves using procedures that rely on chance to assign participants to groups. Doing this means that every single … Read More

What Is a Single-Blind Study?

In psychology, a single-blind study is a type of experiment or clinical trial in which the experimenters are aware of which … Read More

What Is an Institutional Review Board?

Institutional review board

In psychology research, an institutional review board (also known as an IRB) is a group of individuals designated to review … Read More

What Is an Extraneous Variable?

Extraneous variable

An extraneous variable is anything in a psychology experiment other than the independent and dependent variables. The variables can present challenges … Read More

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Explore Psychology provides information about psychology and mental health. The material found on this site is for informational purposes only and is not intended to be used for diagnosis or treatment purposes.

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