According to research, which of the following is least associated with lower levels of aggression?
A) Taking vitamin supplements
B) High levels of the neurotransmitter serotonin
C) Low levels of the hormone testosterone
D) Low levels of the hormone cortisol.
Ans: C) Low levels of the hormone testosterone
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Memory is often characterized as being similar to a computer because
a. long-term memories are exact copies, like files on a hard drive. b. memories are encoded, stored, and later retrieved. c. the space available for memory storage is limited as is the storage capacity of a computer. d. computers and the human mind both process information in a serial fashion.
Breaking complex behaviors down into smaller steps, and reinforcing those steps sequentially as they are completed describes the principle of
a. effortful learning. c. approximating. b. shaping. d. forming.
What, if any, is the relationship between stress and cancer?
What will be an ideal response?
Which factor is associated with the higher rate of mental retardation in males?
a) high GABA levels b) longer maternal labor c) greater risk of rubella d) excessive exposure to environmental agents