Random assignment involves using procedures that rely on chance to assign participants to groups. Doing this means that every single participant in a study has an equal opportunity to be assigned to any group. For […]
In psychology, a single-blind study is a type of experiment or clinical trial in which the experimenters are aware of which subjects are receiving the treatment or independent variable, but the participants of the study are […]
In psychology research, an institutional review board (also known as an IRB) is a group of individuals designated to review and monitor research that involves human subjects. IRB’s help ensure that the rights, welfare, and […]
Extraneous variables are anything in a psychology experiment other than the independent and dependent variables. The variables can present challenges and introduce errors, so it is important for experiments to control these extraneous factors. How […]
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