What percentage of Americans are projected to be 65 years or older in 2030 (Rice & Fineman, 2004)?
a) 50
b) 20
c) 70
d) 65
Answer: b
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Weber's law states that a just noticeable difference
A. is a variable proportion of the intensity of an initial stimulus. B. is a constant proportion of the intensity of an initial stimulus. C. should always increase the intensity of an initial stimulus. D. varies according to people's perception.
A dog, taught to salivate to the sound of a buzzer, learned that the buzzer was no longer followed by food and stopped salivating to the buzzer. If the dog again heard the buzzer after a few weeks, it would probably ______
a. not salivate b. salivate only if the buzzer was dissimilar to the one on which it was conditioned c. salivate d. require only one trial pairing of the buzzer and the food to reestablish the association and begin salivating to the buzzer again
In what type of tasks do middle-aged adults outperform younger adults?
What will be an ideal response?
The majority of cases of schizophrenia begin in
a. late adulthood or old age. b. late adolescence or early adulthood. c. late childhood or early adolescence. d. there is no age where the majority of cases begin.