Which statement is true about middle-aged children and their aging parents?
A) The number of middle-aged Americans with at least one living parent has dropped dramatically.
B) Adults of past generations were more devoted than today’s middle-aged adults to their aging parents.
C) A longer life expectancy means that adult children and their parents are increasingly likely to grow old together.
D) Proximity decreases with age: Middle-aged children who move tend to go farther away from their aging parents.
Answer: C
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Professor Wyler has obtained a grant from the National Institute of Mental Health to study the effects of violence in film on attitudes towards aggression among teenagers. He would like to study the effects in a range of socio-economic settings, from impoverished to very wealthy communities. Should he obtain approval from his institutional review board? Why or why not? Discuss potential ethical
issues that he should consider related to research in an impoverished community. What will be an ideal response?
Which is an accurate statement regarding the generation of an action potential?
a. If a neuron becomes hyperpolarized to the threshold level, an action potential is inevitable. b. Small hyperpolarizations lead to small action potentials and large hyperpolarizations lead to large action potentials. c. If a neuron becomes depolarized to the threshold level, an action potential is inevitable. d. Small depolarizations lead to small action potentials and large depolarizations lead to large action potentials.
At five years old, Sammy is better able to understand his friends' feelings as compared to when he was three years old. Sammy is acquiring a
A) theory of mind. B) self-concept. C) sense of identity. Incorrect. Identity plays a part in the theory of mind, but it is not the best answer to this question. D) sense of self-reflection.
On measurement scales, using an even number of items (numbers or blanks) between the alternatives at the ends of the scale
a. makes a choice exactly in the center more likely to occur. b. can confuse participants and invalidate the measure. c. forces participants away from the center position. d. only occurs on ratio scales.