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Accessibility of testing within a validity framework

  • US 7,217,134 B2
  • Filed: 02/09/2005
  • Issued: 05/15/2007
  • Est. Priority Date: 02/09/2004
  • Status: Active Grant
First Claim
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1. A method of examining the validity of an assessment design for a test taker profile, the method comprising:

  • determining a set of knowledge, skills and other attributes (KSAs) for an assessment design;

    for each KSA, defining the KSA to be one of a focal KSA and an ancillary KSA;

    defining a focal value for each focal KSA;

    defining a test taker profile, wherein the test taker profile includes a profile value for each KSA;

    assigning a targeted proficiency value to the test taker profile based on the profile value and the focal value for each focal KSA;

    determining, for each KSA, a requirement imposed by the assessment design;

    assigning an effective proficiency value to the test taker profile based on the profile value and the requirement for each KSA;

    if the targeted proficiency value matches the effective proficiency value;

    determining whether an indication of invalidity exists,if an indication of invalidity exists, assigning a problematic value to a validity variable, andif an indication of invalidity does not exist, selecting the assessment design as an assessment design alternative for the test taker profile;

    if the targeted proficiency value does not match the effective proficiency value, assigning a problematic value to the validity variable; and

    if the validity variable has a problematic value, modifying one or more of the assessment design and the test taker profile.

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