Two common confounding variables that must be controlled in a nonequivalent control-group design are

A) selection and regression to the mean.
B) selection and maturation.
C) maturation and regression to the mean.
D) sequence effects and maturation.

Answer: A

Political Science

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Which of the following states that regardless of the shape of the population, the means of all the samples selected will be normally distributed?

a) Type I Error b) Type II Error c) central limit theorem d) factor analysis

Political Science

The 84th Legislature House Bill 11 includes all of the following provisions EXCEPT

A) increased penalties for human smuggling. B) authorized hiring more state troopers. C) created an intelligence center to analyze crime data. D) banning sanctuary cities.

Political Science