Ebbinghaus's "memory" experiments were important because they
A. described complex decision making.
B. plotted functions that described the operation of the mind.
C. were the first to combine basic elements of experience called sensations.
D. showed how positive reinforcers strengthen behavior.
Answer: B
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Experiments conducted in artificial environments may lack:
a. internal validity. b. external validity. c. reliability. d. control.
According to Diamond (1997), which of the following is true of domestication?
a. More animals than plants have been domesticated. b. Domestication has enjoyed widespread success with a variety of crops and animals. c. Only five types of animals have been widely domesticated. d. While few animals have been domesticated, hundreds of crops have been domesticated.
Research on maternal depression shows that __________
A) infants of depressed mothers have low levels of the stress hormone cortisol B) it does not have a lasting impact on the infant, unless it persists for more than a year C) most mothers with depression require long-term treatment for a full recovery D) depressed mothers view their infants negatively, which contributes to their inept caregiving
Wolfgang is hearing voices from the walls of his room. He is also depressed and has pains
in his stomach. When admitted to a psychiatric hospital, he will be diagnosed using which axes of the DSM-IV-TR? a. I and II b. I and III c. I, III, and V d. IV and V e. All