After returning from summer vacation, Phil notices that his teenage neighbor, Alexander, has begun to shave and his voice has become slightly deeper. Phil concludes that these changes are most likely due to:
A. puberty
B. Turner's syndrome
C. increased secretion of progesterone
D. increased secretion of estrogen
Answer: A
Psychology
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Four-month-old Jermaine is playing and smiling at his father. Jermaine is demonstrating __________.
A. social smiling B. stranger anxiety C. nonverbal decoding D. random neural activity
Psychology
During an action potential, the inside of the axon becomes ____ and the outside becomes ____.
A. negative; positive B. positive; negative C. positive; positive D. negative; neutral
Psychology
Which is the strongest correlation listed?
a. .34 c. -.23 b. .56 d. -.76
Psychology
Define learned helplessness. Find examples of learned helplessness in the case and explain how the behavior fits the definition of the concept.
What will be an ideal response?
Psychology