What is the principle purpose of control in a randomized comparative experiment

ID: 3040036 • Letter: W

Question

A) Eliminating bias.

B) Isolating the effect of the treatment variable by keeping all other variables the same in the treatment groups.

C) Creating treatment groups that are as similar as possible.

D) Reducing the impact of random variation arising from random assignment to groups.

E) Ensuring that an experiment is conducted in a double blind fashion.

A) Eliminating bias.

B) Isolating the effect of the treatment variable by keeping all other variables the same in the treatment groups.

C) Creating treatment groups that are as similar as possible.

D) Reducing the impact of random variation arising from random assignment to groups.

E) Ensuring that an experiment is conducted in a double blind fashion.

The principle purpose of control in a randomized comparative experiment is :

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.