An individual at the 50th percentile would have a z score of _____

a. 0
b. +1
c. –1
d. none of the above

a

Psychology

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Jennifer manages a research program that is looking at whether regular use of word game apps can help limit memory declines among the elderly. What is the goal of Jennifer's research? 

A. description B. prediction C. explanation D. optimization

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Which of the following is one of the four modern styles of attachment?

A. dismissing B. angered C. indifferent D. depressed

Psychology