During the question–answer period, if you do not know the answer to a question, it is acceptable to respond with "I don't know."

A group member's leadership should focus on ethical concerns for all of the following reasons except:

A. Unethical decisions could be made in the name of the team B. To be sure that his or her personal ethical position always dominates those of other members C. Individuals' ethical standards often conflict D. To be sure all points of view are considered E. None of the above

Which of the following types of variables does the researcher systematically vary?

a) Independent variables b) Dependent variables c) Control variables d) Internal variables