Multiple Choice
The purpose of an item analysis of a classroom achievement test is to
A) determine the external validity of the test.
B) identify the abilities and skills measured by the test.
C) improve the quality and validity of the test.
D) provide a basis for assigning test scores.
Correct Answer:

Verified
Correct Answer:
Verified
Q22: Describe the similarities and differences in item-analysis
Q23: Describe three procedures for selecting a standardization
Q24: The most appropriate method for selecting a
Q25: The mean and standard deviation of z
Q26: The equipercentile method does not actually equate
Q28: The most basic of all standard scores
Q29: Norms obtained from stratified random samples are
Q30: What do the equipercentile, item response, and
Q31: The discrimination index of a test item
Q32: Standard scores represent a higher-level, more precise