Assessment Systems Corporation

Category: Content
Type: Blog Article

Generated 4 days ago

New blog articles detected

  • The Psychometrics of JRR Tolkien

    Few people realize that deep in the heart of The Hobbit, Tolkien placed an allegory that deftly demonstrates the psychometric concepts of Difficulty and Discrimination. For those not familiar with the story, Bilbo and his companions attempt to liberate treasure from an evil dragon. On the way, they are captured and imprisoned deep underground, then Bilbo is separated from his […] The post The Psyc...

Assessment Systems Corporation

Category: Content
Type: Blog Article

Generated 2 weeks ago

New blog articles detected

  • New version of CITAS released

    The post New version of CITAS released appeared first on Online Testing, Educational Assessment, Computerized Adaptive Testing | Assessment Systems.

  • How do I conduct a modified-Angoff study?

    There are a number of acceptable methodologies in the psyychometric literature for standard setting studies, also known as cutscores or passing points.  Examples include Angoff, modified-Angoff, Bookmark, Contrasting Groups, and Borderline.  The modified-Angoff approach is by far the most commonly used, yet it remains a black box to many professionals in the testing industry, especially non-psycho...

  • Understanding FastTest’s Annual Certification/ Recertification Report

    Background of the Certification/Recertification Report The National Commission for Certifying Agencies (NCCA) is a group that accredits certification programs.  Basically, many of the professional associations that had certifications (e.g., Certified Professional Widgetmaker) banded together to form a super-association, which then established an accreditation arm to ensure that certifications were...

  • What is Scaling?

    I often hear this question, especially regarding the scaled scoring functionality found in software like FastTest and Xcalibre.  The following is adapted from lecture notes I wrote while teaching a course in Measurement and Assessment at the University of Cincinnati. Scaling: Sort of a Tale of Two Cities Scaling at the test level really has […] The post What is Scaling? appeared first on Online Te...

  • What is item response theory?

    Item response theory (IRT) represents an important innovation in the field of psychometrics. While now 50 years old – assuming the “birth” is the classic Lord and Novick (1969) text – it is still underutilized and remains a mystery to many practitioners.  So what is item response theory, and why was it invented? Classical test […] The post What is item response theory? appeared first on Online Tes...

  • Top 3 K-12 Assessment Trends

    Technavio recently released a market analysis on K-12 Assessment Trends.  They concluded that there are three big trends currently impacting the testing world: Emphasis on cognitive testing and assessment Increase in number of standardized test-optional institutions Rising penetration of cloud computing The second of the 3 K-12 Assessment Trends is not on assessment itself (or psychometrics, the [...

  • ASC Presents at 2016 Conference on Test Security

    ASC attended the 2016 Conference on Test Security (COTS), held October 18-20 in Cedar Rapids IA, graciously hosted by Pearson.  The conference brings together thought leaders on all aspects of test security, including statistical detection of test fraud, management of test centers, candidate agreements, investigations, and legal implications.  ASC was lucky enough to win three […] The post ASC Pre...

  • The 3 best approaches for IRT equating

    If you are delivering high stakes tests in linear forms – or piloting a bank for CAT/LOFT – you are faced with the issue of how to equate the forms together.  That is, how can we defensibly translate a score on Form A to a score on Form B?  While the concept is simple, the […] The post The 3 best approaches for IRT equating appeared first on Online Testing, Educational Assessment, Computerized Ada...

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