Scientists use _____ when they generate hypotheses.
A) theoretical reasoning
B) practical reasoning
C) means–ends analyses
D) analogical problem solving
A) theoretical reasoning
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Morphine stimulates the same brain synapses as which of these transmitters?
a. Dopamine b. Endorphin c. Serotonin d. Acetylcholine
A polygraph measures activity of what?
a. The hormonal glands b. The muscles of the hand and the face c. The parasympathetic nervous system d. The sympathetic nervous system
Which statement concerning childhood friendships is FALSE?
a. Many unpopular children have at least one reciprocal friend. b. Having a friend increases the odds of being happy. c. Having a chum is detrimental to the development of a friendship. d. True friends are not considered attachment figures.
As individuals become more familiar with tasks, the proportion of the brain's conscious resources that are used to perform these tasks:
a. won't change, but the task is performed more quickly b. will decrease, allowing other tasks to be performed at the same time c. won't change, but other tasks will no longer interfere with the familiar task d. will increase, allowing other tasks to be performed at the same time