Question

12. In a study, each of the six conditions is presented in each ordinal position: presented both before and after each other condition The technique described is a. random order with rotation. b. simple block randomization. c. a balanced Latin square design. d. none of the above. 13. During the course of a stress study the sphyamomanometer being used to measure blood pressure becomes less and less accurate. This is likely to cause a. a testing effect. b. a demand characteristic. C. an instrumentation effect. d. a nonsystematic mortality effect. 14. A single-blind design should be sufficient to eliminate a. self-selection b. placebo effects c. experimenter effects d. measurement effects 15. A researcher is conducting a between-groups experiment with two conditions. She wants 15 scores in each condition. She will need _ participants. a. 10 C. 30 b. 15 d. 45 16. The most powerful research tool is usually considered to be a. an observational study. b. a correlational study. c. a true experiment. d. a case study. 17. Experimental designs may be influenced by a the number of independent variables being tested. b. the number of conditions needed to make a fair test of your hypotheses, c. whether the same or different participants are used in each of the conditions. d. all of the above

Answer 1

Awwer the following: Randown order with rotation. a non-systematic mortality effect, (d). 1 Placebo effects. (b). 5 30 participants. (b). TO A correlational study. (b). All of the above. (d).