Single-case designs, by definition, do not incorporate control groups. What is the standard for comparison purposes to evaluate the treatment effects?

The larger group of all events or participants of interest from which a research sample is drawn is termed a

A) representative sample. B) stratified sample. C) parameter. D) general population.

Successful social movements often transform into which of the following?

a. interest groups b. socialist political parties c. congressional caucuses d. public opinion groups