A craving for unnatural substances, such as dirt or clay, is called ________.
A. carcinogenic
B. mental disease
C. psychosis
D. pica
Answer: D
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Sue and Fred could not have biological children, so they legally adopted a three-year-old boy named Mark. For Mark, Sue and Fred would be his ________
A) family of orientation B) family of origin C) fictive family D) family of procreation
Samantha posted an advertisement on the Internet requesting single mothers to participate in a research study on single parenting. She found that those who signed up for the study were better educated and earned a higher income than average. This demonstrates:
A) volunteer bias. B) experimenter bias. C) ingroup bias. D) negativity bias.
The drug group which is closely associated with crime, but NOT violent crime is
Italian and Polish Americans belong to two distinct:
a. ethnic groups. b. races. c. waves of immigration to the U.S. d. genetic populations.