A researcher wants to obtain a sample of 30 preschool children consisting of 10 two-year-old children, 10 three-year-old, and 10 four-year-old children. Assuming that the children are obtained from local daycare centers, this researcher should use ____ sampling
a. cluster
b. quota
c. simple random
d. stratified random
b
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When using shaping, each step should be ____________ to the target behavior
a. identical b. a closer approximation c. irrelevant d. B and C
Which of the following statements is true regarding sex differences in the brain?
a. The brains of males and females do not differ. b. There are biochemical differences, but not anatomical differences, between male and female brains. c. Males are more likely to be right-brained and females are more likely to be left-brained. d. Ideology often gets in the way of interpreting research on sex differences and the brain.
If a POSITIVE REINFORCER is added after a behavior and the behavior is strengthened/increased, the process used is called:
a. negative reinforcement. b. positive reinforcement. c. extinction. d. punishment.
The largest part of the human nervous system is the __________ nervous system
a. central b. peripheral c. autonomic d. sympathetic