Advancing medical technology has attacked infectious disease in poor countries with what result?
a. Almost nothing: This technology has had little effect.
b. Populations have increased rapidly.
c. Birth rates have dropped to near zero.
d. Most children die earlier in life than ever before.
b
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Damaged and dying neurons that collect around a core of amyloid protein produce
a. neurofibrillary tangles. b. granulovacuolar bodies. c. synaptic nodes. d. neuritic plaques.
When compared with northern-born blacks, southern immigrants had
A) fewer children living with two parents. B) less traditional family patterns. C) less unemployment, poverty, and welfare dependency. D) both A and B above.
The Fourth National Incidence Study of Child Abuse and Neglect found that in 1993 ________ of known abused and neglected children were investigated by child protective services
A) 15% B) 28% C) 36% D) 52%
Which of the following is a main difference between non-probability and probability sampling?
a. Participants are randomly selected in non-probability; participants are not randomly selected in a probability sampling and a sampling frame is never required. b. Participants are not randomly selected in a non-probability sampling; participants are randomly selected in a probability sampling and a sampling frame is necessary. c. Participants are randomly selected in both probability and non-probability samplings and a sampling frame is not required. d. Participants are not randomly selected in either probability or non-probability sampling, a sampling frame is required.