Psychology Research Methods
History of Psychology Psychology Research Methods

8 of the Most Classic Psychological Experiments

There are many famous (and sometimes infamous) psychological experiments that have helped shape our understanding of the human mind and.

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Psychology Dictionary Psychology Research Methods

What Are Practice Effects?

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

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Random Assignment by rolling dice
Psychology Dictionary Psychology Research Methods

Random Assignment: Definition With Examples

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

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Psychology Dictionary Psychology Research Methods Uncategorized

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.

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Institutional review board
Psychology Dictionary Psychology Research Methods

What Is an Institutional Review Board?

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

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Extraneous variable
Psychology Dictionary Psychology Research Methods

What Is an Extraneous Variable?

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

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