The prevalence of PTSD among U.S. soldiers who served in the Vietnam War is about one
in ______.
a. two c. four
b. three d. five
D
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Research on attachment styles, as first described by John Bowlby with reference to infants, identified ____ main types of attachments
a. three b. seven c. ten d. twelve
According to a sleep-deprivation study on sled dog racers described in your textbook, what amount of sleep did racers have who experienced vivid hallucinations?
A. 1 hour B. 2 hours C. 3-4 hours D. 7 hours
Freud’s psychosexual stages reflect ____
a. ?the development of social skills necessary for emotional health b. ?changes in the use of defense mechanisms as one gets older c. ?natural shifts of pleasure from one part of the body to another d. ?an unfolding of biological archetypes for healthy development
Across all languages, how do the number of morphemes compare to the number of phonemes?
a) There are more phonemes than morphemes. b) They are equal for more advanced languages. c) There are far more morphemes than phonemes. d) The number of phonemes is equal to the number of letters in the language and the morphemes are unlimited.