An experimental design that uses a random process to assign subjects to treatment levels of an experimental variable is called a:
A)main effect design
B)completely randomized design
C)Solomon design
D)systematic design

Question

Quizplus · Accepted Answer

A completely randomized design is a type of experimental design that randomly assigns subjects to different treatment levels of an experimental variable. This helps to ensure that any differences observed between treatment groups are due to the treatment itself and not some other confounding variable.

An Experimental Design That Uses a Random Process to Assign