Purchase Solution

nonequivalent groups

Not what you're looking for?

Ask Custom Question

What is a major problem with nonequilvalent groups _______

(a) the groups may differ on the dependent measure(s) at the start of the study
(b) there may be confounding variables not controlled by random assignment
(c) the groups may differ on independent measure at the start of the study
(d) both a & b

This question is tackled.

Purchase this Solution

Solution Summary

Nonequivalent groups are briefly explored in a multiple choice question.

Solution Preview

I think you're right in saying that a) is right - nonequivalent groups could definitely differ on the DV (ie. on what is being measured).
As for b), if you have random assignment, you should have confounding variables controlled for. That is, ...

Purchase this Solution


Free BrainMass Quizzes
The Psychology of Sleep

This quiz is to check your understanding of the sleep-related part of psychology.

Anxiety Disorders

This quiz is designed to help students gain a better understanding of various types of anxiety disorders.

Key Psychology Theories and their Developers

Match which psychologist developed and/or contributed to which theory.

A Review of Qualitative and Quantitative methodologies

This quiz is designed to test your knowledge of qualitative and quantitative methodologies. Knowing the difference between the two can help in making the important decision of which to use when conducting research.

Brain and behaviour

Reviews areas of the brain involved in specific behaviours. This information is important for introductory psychology courses.