If an experimental drug produced physiological effects similar to nitric oxide, then a researcher would:
a. reduced cerebrospinal fluid.
b. expect to find increased blood flow.
c. reduced oxygen delivery to cells.
d. increased protection of the brain
Ans: B
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Martin and Lewis are both 3 years old, and the main benefit they get out of being friends with each other is __________.
A. the enjoyment of carrying out shared activities B. trust, support, and pursuing shared interests C. the give-and-take of competing with each other in games D. the intellectual stimulation of conversation and learning activities
Distractors that are obviously incorrect
a. lower the reliability of the test. b. increase the reliability of the test. c. have no impact on the reliability of the test. d. reduce the likelihood of correct guessing.
The scientific approach is a specific type of ______.
A. research design B. belief system C. critical thinking D. statistical analysis
Isabel is a rambunctious and unruly child who is moody and intense. She often throws temper tantrums, adapts poorly to change, and has powerful, negative reactions to new people and new situations. Thomas & Chess would say her temperament is ______
a. active c. slow-to-warm-up b. difficult d. easy