You meet a slender girl with a yellow hue to her rather dry, cracking skin; she has fine,
downy hair. With this appearance, you suspect that she may have ______.
a. anorexia nervosa c. binge eating disorder
b. bulimia nervosa d. ulcers
A
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Trephining refers to the process of ____
a. putting leaches on the body to remove bad blood b. making a person chant and pray to drive out evil spirits c. changing one's diet to improve one's physical and mental health d. boring a hole in the skull to let demons escape
According to Freud, the ____ contains all instincts and is the driving force of personality.?
a. ?id b. ?ego c. ?superego d. ?preconscious
The term "childhood amnesia" refers to the finding that ________ before the age of about ________
a) children are unable to form memories; 2 or 3 b) children are unable to form memories; 6 or 7 c) adults are unable to retrieve memories for events that occurred; 2 or 3 d) adults are unable to retrieve memories for events that occurred; 6 or 7
A researcher selects a pair of random samples. In Group 1 the scores are 3, 7, 6, 5. In Group 2 the scores are 4, 6, 2, 2
a. Find the t ratio b. As a two-tail t, should Ho be rejected? If rejected, state the probability of the alpha error. c. Do the two groups represent a single population?