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ERIC Number: ED069728
Record Type: RIE
Publication Date: 1972-Sep
Pages: 16
Abstractor: N/A
Reference Count: 0
A Comparison of Traditional Item Analysis Selection Procedures with Those Recommended for Tests Designed to Measure Achievement Following Performance Oriented Instruction.
Helmstadter, G. C.
Several alternative indexes of item usefulness were empirically compared. They were: (1) item discrimination based on high and low groups on a postinstructional measure, (2) shift in item difficulty from a pre- to a postinstruction measure, and (3) item discrimination based on pre- and posttest performances. A typical classroom final examination was administered to 28 students on their first day in a multivariate statistics course and again at the end of the term. The results, using the various indices, indicated that shift in item difficulty from pre- to postinstruction yielded data significantly more similar to the pre-post discrimination index than did the high-low group posttest discrimination index. It is recommended that the conceptually more ideal pre- to postinstruction discrimination index be used even when instruction is not performance oriented. (Author/JS)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Note: Paper presented at American Psychological Association Convention (Honolulu, Hawaii, September 1972)