In experimental psychology, the proportion of the top third of the class that correctly answered the last question of the final was .93 while .89 of the bottom third of the class answered correctly. The professor should decide not to include this question in the next final because the discrimination index indicates
a. negative discrimination.
b. chance level performance.
c. that students were incorrectly prepared.
d. that the item does not discriminate well.
Question 2
Who developed the Sixteen Personality Factor Questionnaire?
a. J.R. Guilford
b. R.B. Cattell
c. L.L. Thurstone
d. Sam Beck
Label used to indicate a class IV controlled substance.
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
Elements of Experimental Design.
Correlations between scores on a psychology test and number of boiled kumquats eaten per month
Experimental evidence of cytoplasmic localization in an amphibian oocyte.
Experimental evidence of cytoplasmic localization in an amphibian oocyte.