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Home > Society and Social Sciences > Psychology > Psychological methodology > Iteman(tm) 3.50: Item Analysis Program
Iteman(tm) 3.50: Item Analysis Program

Iteman(tm) 3.50: Item Analysis Program


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About the Book

ITEMAN analyzes data files (in ASCII format) of test item responses produced by optical mark readers (test scanners) or by manual data entry -- the same format used by RASCAL, ASCAL, and XCALIBRE -- to compute conventional item analysis statistics. It can score and analyze multiple-choice and true-false test data as well as survey data. Tests can contain up to 10 scales (subtests), and summary statistical information includes the mean, variance, standard deviation, skew, and kurtosis of total (number-correct/keyed) scores, the minimum and maximum score, and median score. ITEMAN also provides a score frequency distribution as well as a KR-20 (alpha) estimate of reliability and standard error of measurement for each subtest scale. ITEMAN can be configured to group examinees based on their overall scores (upper and lower 27%), report the subgroup endorsement rates, and provide a classical upper/lower index of discrimination to identify poorly functioning items. In addition, items can be analyzed for only a subset of data. The program offers a multiple-keying option that allows items to have more than one correct answer and will flag those answers which appear to function better than the keyed answer. When analyzing survey data, items can have up to nine response categories. Requirements: Standard Version: DOS 3.3 or higher, 640KB RAM. Extended Version: 386 processor (or higher), 2MB RAM. A 486DX or math coprocessor is strongly recommended. Windows Version: 386 (or higher), Windows 3.1 (or higher), 2MB RAM.


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Product Details
  • ISBN-13: 9781563213106
  • Publisher: Psychology Press
  • Publisher Imprint: Psychology Press
  • Language: English
  • Sub Title: Item Analysis Program
  • ISBN-10: 1563213109
  • Publisher Date: 10 Jul 2007
  • Binding: CD-ROM
  • Returnable: N


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