Obtaining participants for an experiment by asking people accessible to the experimenter
to participate is called _____ sampling
a. simple random
b. valid
c. convenience
d. experimental
Information; p 194, A, 1
C
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Why does sleep deprivation increase the risk for obesity and diabetes?
A. Sleep deprivation reduces the amount of adenosine released. B. Sleep deprivation turns off the VLPO switch. C. Sleep deprivation changes appetite-related hormones and increases the amount of insulin released. D. Sleep deprivation disrupts the brain use of melatonin.
After learning about personality in school, Becky comes home and tells her sister, Darlene, that she is introverted because her brain is relatively insensitive to rewards but highly sensitive to punishment. Darlene does not seem impressed by her sister's knowledge of ____ theory of personality
a. ?the five-factor b. ?the object relations c. ?Eysenck's biological trait d. ?Gray's reinforcement sensitivity
Regarding intelligence, which of the following statements is FALSE? a. Studies that used actual blood group testing found no significant correlations between ethnic ancestry and IQ scores. b. Improving the environments in which children learn and grow is the main way in which we can ensure that they reach their full potential
c. Since genes are fixed at birth, there is little that can be done regarding the genetic aspect of intelligence. d. What psychologist Robert Sternberg calls analytic intelligence is often seen by minority cultures as more important than what Sternberg calls practical intelligence.
By about __________, researchers in the field of psychosomatic medicine began to identify some diseases, including __________, as caused by psychological factors
a. the 1980s; hypertension b. the 1940s; peptic ulcer disease c. the 1920s; heart disease d. the 1960s; lung cancer