The range of p (difficulty index) on a set of items comprising a four-option multiple-choice test

should be approximately

A) .40 to .80. B) -1.00 to 1.00. C) .00 to 1.00. D) .10 to .90.


A

Psychology

You might also like to view...

During the embryonic period, differentiation, also known as ________, of cells is achieved by the migration and production of specialized cells having distinct functions

a. configuration c. implantation b. organogenesis d. menstruation

Psychology

An inhibited power motivation reflects a low need for affiliation combined with a high need for power

Indicate whether the statement is true or false

Psychology

A "fake treatment" is one way to define a __________.

A. decoy B. demand characteristic C. control group D. placebo

Psychology

ISLE 2.1 North Carolina Hot Sauce Contest LinkClick on the above link to work though the ISLE activity.  Once you've completed the activity, navigate back and answer the following question.In order to win the North Carolina Hot Sauce Contest, a contestant must eat an entire orange habanero chili pepper, the hotness of which is measured on the ______ scale.

A. chili pepper hotness B. Scoville C. capsaicin D. piquancy

Psychology