An item-difficulty index can range from

A. 0 to 100.
B. .10 to .99.
C. .25 to .75.
D. 0 to 1.


Answer: D

Psychology

You might also like to view...

Compare and contrast men and women in terms of style and effectiveness as leaders

What will be an ideal response?

Psychology

In what brain area are electrodes placed during deep brain stimulation to treat Parkinson's disease?

A. thalamus B. hypothalamus C. hippocampus D. cerebellum

Psychology

A person whose moral development has progressed to the point where he or she has moved beyond the norms of society to determine universal good is, according to Kohlberg, at the _____________ level.

Fill in the blank(s) with the appropriate word(s).

Psychology

Harry Harlow's experiments with rhesus monkeys demonstrated that an important component in attachment was

A) feeding. B) positive affectivity. C) contact comfort. D) temperament.

Psychology