A positive symptom of schizophrenia would be:
A. the presence of hallucinations.
B. flattened emotional response.
C. anhedonia.
D. social withdrawal.
Answer: A
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If something in a complex scene changes slowly, or changes while you blink your eyes, you probably will not notice it unless you are paying attention to the particular item that changes. This phenomenon is called ____
a. inattentional blindness b. attentional suppression c. masking d. the Stroop effect
Jason is studying Piaget's theory of cognitive development. He's just learned that accommodation and assimilation are part of a larger process called
A) habituation. B) semantics. C) object permanence. D) adaptation.
Which of the variables below has been suggested to influence the effect of caffeine on cognitive abilities?
a. person's sex b. degree of extroversion c. the demands of the task d. all of these
When usinga cross-sectional design, researchers ________
A) need to be concerned about such difficulties as participant dropout B) benefit from its greater efficiency compared to the longitudinal approach. C) study groups of participants of the same age in different years D) measure participants at regular intervals over a short amount of time