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  1. An Examination of the Assumption That the Equating of Parallel Forms Is Population-Independent

    Author(s): Angoff, William H. ; Cowell, William R.

    Publication Year: 1985

    Source: ETS Research Report

  2. An Examination of the Assumption That the Equating of Parallel Forms Is Population-Independent

    Author(s): Angoff, William H. ; Cowell, William R.

    Publication Year: 1986

    Source: Journal of Educational Measurement, v23 n4 p327-345, Win 1986

  3. A Procedure for Estimating the Conditional Standard Errors of Measurement for GRE General and Subject Tests

    Author(s): Cowell, William R.

    Publication Year: 1991

    Source: ETS Research Report

  4. Comparisons of Test Analysis Data for White Male Candidates With White Female Candidates

    Author(s): Cowell, William R. ; Swineford, Frances

    Publication Year: 1972

    Source: Law School Admission Council Report

  5. The Performance of Non-Native Speakers of English on TOEFL and Verbal Aptitude Tests

    Author(s): Angelis, Paul J. ; Cowell, William R. ; Swinton, Spencer S.

    Publication Year: 1979

    Source: ETS Research Report

  6. Concurrent Validity of Verbal Item Types for Ethnic and Gender Subgroups

    Author(s): Wild, Cheryl L. ; McPeek, W. Miles ; Koffler, Stephen L. ; Braun, Henry I. ; Cowell, William R.

    Publication Year: 1989

    Source: ETS Research Report

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