The largest projected increases of Americans age 65 years and older that jumps from 54.6 million to 71.5 million, come in the years
a) 2010-2020
b) 2030-2040
c) 2040-2050
d) 2050-2060
b
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Which outcome has not demonstrated in research on physical attractiveness?
a. Attractive students were able to solicit more signatures on a petition than unattractive students. b. Unattractive defendants received larger court fines than attractive defendants. c. Teachers expect attractive children to be smarter and achieve more than unattractive children. d. Attractive employees earn approximately the same salaries as unattractive employees.
A Type II error can be made when the null hypothesis is not rejected but is actually false.
Answer the following statement true (T) or false (F)
The nervous system encodes greater intensity of a given stimulus by
A. forming action potentials with higher peaks. B. forming action potentials that last a longer time. C. increasing the rate of firing. D. reducing the number of neurons that are responding.
Boys tend to be ______ than girls
a. better socialized c. more active b. more conforming d. more talkative