____ is the process by which children combine existing schemes into more complex intellectual schemes
a. Organization
b. Conservation
c. Formal operation
d. Assimilation
A
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Which neurotransmitter is released by stimulated neurons to dilate the blood vessels?
a. endorphins b. glycine c. nitric oxide d. acetylcholine
Sleep apnea refers to
a. vivid recurrent nightmares. b. a breathing problem during sleep. c. excessive daytime sleepiness. d. sudden sleep attacks.
According to To Catch a Coldabout stress and the immune system, the initial phase of the study consisted
of (a) a complete medical exam, blood samples taken,self-report measures administered (b) a complete medical exam, vaccinations given, blood samples taken (c) a complete medical exam, evaluation of stress, urine and blood tested (d) a psychological evaluation of each participant by three separate raters, then examined for inter-rater reliability
Professor Becker designed an IQ test. To validate this test, the professor should be careful to do which of the following?
a. Give the test at least twice to the same group to ensure accuracy. b. Select the people in the sample from the population of people for whom the test is designed. c. Select only university professors to take the test so that they can critique the questions on the test. d. Strive to make sure that the test measures what it is supposed to measure.