Which of the following is the best example of a research hypothesis?
a. Smoking cigarettes increases the incidence of heart disease.
b. The earth has one moon.
c. Boys and girls differ in athletic ability.
d. There are no gray polar bears.
a
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According to Anne Treisman's feature-integration theory,
a. distributed attention uses parallel search through the visual field. b. people first focus selective attention on important parts of the stimulus. c. focused attention is a relatively low-level kind of attention; people can quickly perform two focused-attention tasks simultaneously. d. people use focused attention for vision, and they use distributed attention for hearing.
Which of the following best describes the neurodevelopmental hypothesis of schizophrenia?
A) the brain deteriorates to produce schizophrenia. B) schizophrenia is the result of biological and environmental factors that interact during brain development. C) schizophrenia is a reaction to psychologically traumatic events. D) symptoms of schizophrenia will not occur until after the brain is fully developed.