What Are Practice Effects?
Sometimes in psychology experiments, groups of participants are required to take the same test more than once. In some cases, …
psychology experiments
The Robbers Cave Experiment: Realistic Conflict Theory
Psychologist Muzafer Sherif suggested that conflict between groups was the result of competition for limited resources. To put this theory …
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 …
What Is a Factorial Design? (Definition and Examples)
In the simplest psychology experiments, researchers look at how one independent variable affects one dependent variable. But what happens if …
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 …