Relative Efficiency of Number-Right and Formula Scores
- Author(s):
- Lord, Frederic M.
- Publication Year:
- 1974
- Report Number:
- RB-74-09
- Source:
- ETS Research Bulletin
- Document Type:
- Report
- Page Count:
- 13
- Subject/Key Words:
- Data Analysis, Guessing Tests, Mathematical Formulas, Scoring, Statistical Analysis
Abstract
Under a stated assumption, a formula is derived for estimating at any specified ability level the relative efficiency of number-right score and formula scores. Analysis of one set of data is summarized. (13pp.)
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