hypothetical variables are not ______ or ________
Fill in the blank(s) with the appropriate word(s).
observable, accessible
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Theorist Timothy Salthouse suggests that if people are mentally active all of their lives, they enter late adulthood with what attribute?
A. a higher IQ B. a "cognitive reserve" that allows them to continue to perform at a relatively high mental level C. learned practice skills that help the elderly "use it or lose it" D. the knowledge of how to find and take advantage of adequate mental stimulation
The only accepted universal behavioral change in aging involves a reduction in _______________
Fill in the blank(s) with correct word
_____ believed that tension motivates us to behave in ways that restore us to a resting state
A) Abraham Maslow B) Victor Vroom C) Sigmund Freud D) Wilhelm Wundt
Who believed that the universe must have had a beginning and attempted to prove that the concept of infinity could not exist in the real world?
a. Augustine c. Muhammad b. Plotinus d. Al-Kindi