Groups such as students, prison inmates, employees, military personnel, the homeless, and other groups that may not be fully capable of giving consent freely are called __________

Which of the following threats to internal validity is present in a one-group pretest-posttest design?

a. maturation b. history c. testing effect d. none of the above e. all of the above

The president of Preotho signs an agreement with the president of Qaplary. The agreement provides that Preotho will help Qaplary in building its infrastructure in exchange for a permit to conduct oil drilling operations off the coast of Qaplary. This agreement is an example of a(n) _____.

A. compatibility agreement B. presidential agreement C. executive agreement D. legislative agreement E. state agreement