Which of the following threats to internal validity is most likely to be a problem in the nonequivalent comparison group design?

a. history
b. maturation
c. selection bias
d. all of the above are potential problems

C

Political Science

You might also like to view...

In creating cities, human beings simply respond to the natural environment

Indicate whether the statement is true or false.

Political Science

Which of the following sectors was targeted by microeconomic policies in the eight states that drove the East Asian Miracle?

a. Land reform b. Small and medium-size enterprises c. Primary education, housing, and health services d. Sound fiscal policy

Political Science