Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
A systematic approach used in scientific research to investigate cause-and-effect relationships between variables. It involves manipulating an independent variable and observing the effects on a dependent variable.
The process of assigning participants to different groups in an experiment randomly, ensuring that each participant has an equal chance of being placed in any group.