If a researcher wants to employ the use of deception, the researcher must __________ participants upon completion of the study

The common effects of tobacco are:

a. slowed reaction time, tension, depression, reduced ability to store new memories or to retrieve old ones, and poor coordination. b. euphoria, increased appetite, and reduced ability to store new memories. c. mood variation from alertness to calmness depending on mental set, setting, and prior arousal. d. exhilaration, visions and hallucinations, and insightful experiences.

If a scatter diagram shows that high scores on one variable go with high scores on the other and low scores go with low scores, but the increase becomes increasingly steep, resulting in a curvilinear relation between two variables, the experimenter

can figure a statistic called __________. Fill in the blanks with correct word