Why might Native Americans be a general exception to the rule that darker skin is associated with environments with high UV radiation?
A) Native Americans have a unique genetic mutation that makes their skin darker than expected.
B) Dark skin among Native Americans is an acclimatization, and is not due to genetics.
C) They are relatively recent migrants to the New World.
D) Dark skin among Native Americans is a culturally induced trait.
C) They are relatively recent migrants to the New World.
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The NASW Code of Ethics
A) has standards that are concerned solely with social work practice with individuals B) provides social workers with guidance in resolving ethical dilemmas C) has no enforcement power D) prescribes list of do's and don'ts for social workers so that they can engage in professional decision making with clients
In order to determine whether the frequencies in a dichotomous variable are significantly different from a 0–50 split, with 50% of cases in each of the two categories of the variable, you would engage in:
a. the McNemar’s test b. the binomial test c. the one-sample chi square d. the independent samples chi square test
____________ are often referred to as the sandwich generation
a. Young adults b. Middle-aged adults c. Late adults d. Women of all ages
LSD is an example of
A. Narcotics B. Stimulants C. Depressants D. Hallucinogens