When twins have no more in common than other siblings, they are said to be _________ twins
a. monozygotic
b. identical
c. dizygotic
d. congenital
C
Psychology
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If an independent-groups t test has 13 subjects in each group, then the degrees of freedom are:
a. 26. b. 24. c. 13. d. 12.
Psychology
According to a sociocultural model, addiction is:
a. secondary to a primary mental disorder b. the result of a combination of genetic and characterological factors c. related to religious affiliation d. related to cultural, religious, family, and peer variables
Psychology