During Piaget's sensorimotor period children:
A. exhibit centration
B. begin developing abstract reasoning skills
C. master the conservation principle
D. develop the concept of object permanence
D. develop the concept of object permanence
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Perception occurs in ____
a. waves b. the brain c. receptors d. transducers
A pilot flies regularly between Japan and California. He also flies the San Francisco to Los Angeles route in California. The pilot will experience the greatest symptoms of jet lag after flying
a. either portion of the Japan-California route. b. northbound from Los Angeles to San Francisco. c. eastward from Japan to California. d. westward from California to Japan.
Mark received a call on his cell phone from his mother, but the reception was so poor and there was so much noise from the street that he had trouble making out her words. Even without knowing exactly what she was saying, however, he knew she was sad from her tone of voice. What can we infer from this information?
A. Mark is unusually sensitive to people's moods. Most people cannot interpret emotions very well over the phone. B. Mark is probably mistaken about his mother's mood. C. It is likely that Mark was holding his cell phone up to his left ear. D. It is likely that Mark was holding his cell phone up to his right ear.
A radiologist screening mammograms to detect breast cancer in a high-risk patient is likely to ______.
A. adopt a low criterion because she does not want signal-detection misses B. adopt a high criterion because she does not want many signal-detection false alarms C. do everything she can to decrease sensitivity so as to create more correct rejections D. do everything she can to increase sensitivity so as to create fewer false alarms