In problem solving, the techniques we use to reach a solution are called _____________
A) initial states
B) obstacles
C) operators
D) goal states
Answer: C
Rationale: In problem solving, the techniques used to reach the goal state are called operators.
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Dr. Meyers is a behavioral geneticist. She is investigating whether school achievement has a genetic component. Which of the following scenarios would indicate to her that there is a large genetic component?
a. Dizygotic twins show greater similarities in school achievement than siblings born 2 years apart. b. Adopted children show great similarities in school achievement to their adopted parents than their biological parents. c. Monozygotic twins show greater similarities in school achievement than dizygotic twins. d. Siblings born 2 years apart show greater similarities in school achievement than dizygotic twins.
According to several studies, the psychological effects of menopause should not be linked with
A) life stressors. B) a personality predisposed to negativity. C) an increased likelihood of major depression. D) level of uncomfortable physical symptoms.