Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Experiments are a type of research method where the researcher manipulates one variable (independent variable) to determine its effect on another variable (dependent variable).
In an experiment, this is the group that does not receive the treatment or manipulation so it can serve as a comparison against the experimental group.
Experimental Group: This is the group that receives the treatment or manipulation in an experiment.
A procedure in conducting experiments where each participant has an equal chance of being assigned to any group. It’s like drawing names from a hat to decide who gets which treatment.