Question

ovirA 23. A good example of the "experimenter effect" would be a situation in which the experimenter a. intentionally acts out the proper behavior for the participants. b. deceives the subject as to the real purpose of the experiment. c. unknowingly hints to subjects what is expected of them. d. none of the above 24. Imagine you have a set of scores that could range from 0 to 100, but in your study the mean is 98. You will probably have difficulty discerning a difference between the control and experimental conditions because it looks as if you have a. regression toward the mean. a ceiling effect. C. b. a testing effect. a floor effect. d. 25. To find a consistent difference between two groups the error variance within the study should be maximized. a. b. minimized. c. neither maximized nor minimized, it makes no difference. d. eliminated altogether. 26. Maggie randomly assigns pairs of subjects who score within a three-point range on a anxiety scale to either the experimental or control conditions. Maggie is using: rank order matching. a. range matching. b. precision matching. C. random assignment. d. 27. The best definition of a physical trace measure is a set of records or documents. a. b. a physical byproduct of past behavior. a reactive measure of physical behavior. a direct observation of physical behavior. C. d. 28. A nonreactive measure of behavior a. tends to be invalid. b. tends to be unreliable. has no effect on behavior. C. changes the behavior being measured. d.

Answer 1

(23) Experimenter effect is a term weed to describe any of a number of subtle cues or sègnals from an experimenter that affect the performance or response of subjects in the experiment. In other words it is the influence of an experimenter's expectations on his presults. So, A good example of the experimenter effect" would be a situation in which the ez perimenter (a) intentionally acts out the proper behavior for the participants.