In Africa, recent studies have found the use of hormonal methods of contraception may _____________ the risk of being infected with HIV
A) eliminate
B) have no effect on
C) increase, for both men and women,
D) increase, for men, but not for women,
C
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What will be an ideal response?
Acupuncture involves the use of needles to redirect the flow of energy within the body to treat illness
Indicate whether the statement is true or false
What is the relationship between main effects and interactions? ____.
a. At least one of the factors involved in the interaction must have a main effect. b. None of the factors in the interaction can have a main effect c. All of the factors involved in the interaction must have main effects. d. The existence of an interaction is independent of the main effects.
What conclusion may be drawn about problem solving from Maier's studies with Bismark?
a. Only humans can solve problems by means of insight. b. A rat has demonstrated insight under laboratory conditions. c. A rat has demonstrated trial-and-error learning under laboratory conditions. d. Rats are capable of insight under a variety of conditions.