Which experimental design involves manipulation of the independent variable and random assignment of participants to groups?

A) True Experimental
B) Non-Experimental
C) Semi-Experimental
D) Quasi-Experimental

Experimental Design

A procedure in research for testing hypotheses where one or more variables are manipulated to determine their effect on a dependent variable.

Independent Variable

The variable in an experiment that is manipulated by the researcher to examine its effect on the dependent variable.

Random Assignment

A method used in experiments where participants are allocated to different groups in a manner that is determined by chance.