Assume that of 55 persons who take a test, 10 of the 15 people falling in the upper group on total
test score and 5 of the 15 falling in the lower group on total test score pass a given item. What is
the item discrimination index?
A) 1.00 B) .33 C) .50 D) .17
B
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The earliest schema a newborn has is ______.
A. his or her mother's voice B. inborn motor responses C. the ability to see D. the memory of the birth process
Currently, the national average cost of nursing home care in the United States is $75,000 per year
Indicate whether this statement is true or false.
Tess slipped and fell on a patch of ice when exiting her apartment. Now, whenever she sees ice, she tiptoes very carefully around the ice to avoid slipping and falling again. In this example, ice is considered a(n)
A. conditioned stimulus (CS). B. unconditioned stimulus (UCS). C. conditioned response (CR). D. unconditioned response (UCR).
During an experiment involving college students randomized to two groups, a severe snowstorm occurs and the campus is closed for several days, preventing participants from accessing the psychology laboratory
The storm is an example of which threat to interaction with selection? a) Histor b) Maturation c) Testing d) Random