Cigarette smoking is most prevalent among which of the following groups?
a) Caucasian adolescents
b) African American adolescents
c) Asian American adolescents
d) None of the above - smoking is equally prevalent among these groups
a
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You read that the results of a t-test was t(12) = 3.98, p >.01 . What does this mean?
a. The t value is 12, the degrees of freedom is 3.98, and the result would occur by chance fewer than 1 in 100 times. b. The t value is 3.98, the degrees of freedom is 12, and the results would occur by chance fewer than 1 in 100 times. c. The t value is .01, the degrees of freedom is 12, and the results would occur by chance fewer than 3.98 in 100 times. d. The t value is .01, the degrees of freedom is 3.98, and the results would occur by chance fewer than 12 in 100 times.
Kindergarten children are more proficient with single-digit arithmetic today than they were in 1951 . This may be due to ___
a. evolutionary increases in the size of the prefrontal cortex b. increases in the amount of time mothers spend with their children c. increases in the availability of educational television programs d. increases in the value of mathematics in society
Rhonda's therapist tells her that loneliness is not entirely bad because it serves a motivating purpose. Which of the following best describes how loneliness can motivate us?
A. It motivates us to examine the faults of others. B. It motivates us to isolate ourselves further. C. It motivates us to examine our own faults. D. It motivates us to seek out social contact.
Many men who have had their spinal cord cut can still get erections
a. True b. False