NSG3029 CH1 (6) Questions and Answers/Rationale.

ation of the serves as the basis for the research design. A. Type of theory used in the study B. Purpose to be achieved by the study C. Type of statistics to be used in the study D. Number of subjects needed in the study ANS: B 2. All of the following strategies can increase internal validity *— of an experimental study except: A. Control variables extraneous to the study B. Randomly assign subjects to groups C. Increase the diversity of the sample D. Use consistent, accurate measures ANS: C 3. Experimental studies measure cause and effect. The variable that is synonymous with the 'cause' is referred to as the: A. Dependent variable B. Independent variable C. Extraneous variable D. Descriptive variable ANS: B 4. The variable that is synonymous with the outcome of *— interest is called the: A. Dependent variable B. Independent variable C. Extraneous variable D. Descriptive variable