A democratic system characterized by multiparty executives, coalition governments, executive-legislative balance, a bicameral legislature, and/or a rigid constitution not easily amended, is known as ______.

Distributions with bell-shaped curves are also referred to as

A) Rectilinear distributions. B) Skewed distributions. C) Asymmetric distributions. D) Normal or near normal distributions.

Which of the following is the LEAST important characteristic of a good control group?

a. its members experience everything the experimental group experiences except the treatment b. it has the same number of participants as the experimental group c. it is equivalent to the experimental group in all important characteristics d. it is measured on the same dependent variable as the experimental group