Which criterion for internal validity (stability or magnitude) is indicated by the consistency in the pattern of change in each phase? Which criterion is indicated by the size of the change in a dependent measure observed between phases?

An agreement to participate in research, after first being instructed about the nature of

the research and its possible negative effects is called a. debriefing. b. briefing. c. informed consent. d. the ethics agreement. e. the subject-experimenter agreement.

Informed consent involves

a. a statement of the requirements of participation. b. a description of any kind of deception that will be used in the research. c. information about the nature of the research, including risks and benefits. d. reading and signing a written document for the publication of research results. e. determining which subjects will be assigned to the control group.