Despite agreement about the central importance of validity for educational and psychological testing, consensus regarding the definition of validity remains elusive. Differences in the definition of validity are examined and reveals that a potential cause of disagreement stems from differences in word use and meanings given to key terms commonly…

This technical report documents the processes and procedures implemented to support the Spring 2021 Nebraska Student-Centered Assessment System (NSCAS) Phase I Pilot in English Language Arts (ELA), Mathematics, and Science assessments by NWEA® under the supervision of the Nebraska Department of Education (NDE). The technical report shows how the…

The ability to convey shared meaning with minimal ambiguity is highly desirable for technical terms within disciplines and professions. Unfortunately, there is no widespread professional consensus over the meaning of the word "validity" as it pertains to educational and psychological testing. After illustrating the nature and extent of…

A misconception exists that validity may refer only to the "interpretation" of test scores and not to the "uses" of those scores. The development and evolution of validity theory illustrate test score interpretation was a primary focus in the earliest days of modern testing, and that validating interpretations derived from test…

In multidimensional forced-choice (MFC) questionnaires, items measuring different attributes are presented in blocks, and participants have to rank order the items within each block (fully or partially). Such comparative formats can reduce the impact of numerous response biases often affecting single-stimulus items (aka rating or Likert scales).…

The current study examined whether the Avoidance and Fusion Questionnaire for Youth (AFQ-Y; L. A. Greco, W. Lambert, & R. A. Baer, 2008), a self-report measure of psychological inflexibility for children and adolescents, might be useful for measuring psychological inflexibility for adults. The psychometric properties of the AFQ-Y were examined…

The Vanderbilt Assessment of Leadership in Education (VAL-ED) is a multirater assessment of principals' learning-centered leadership. The instrument was developed based on the Standards for Educational and Psychological Testing. In this article, we report on the validity and reliability evidence for the VAL-ED accumulated in a national field…

This article reviews the "Wechsler Individual Achievement Test-Third Edition" (WIAT-III), a newly updated individual measure of academic achievement for students in Pre-Kindergarten through Grade 12 (age 4 years, 0 months to 19 years, 11 months). Suitable for use in educational, clinical, and research settings, the stated purposes of the WIAT-III…

This study investigates aspects of validity reflected in a large and diverse sample of published measures used in educational and psychological testing contexts. The current edition of "Mental Measurements Yearbook" served as the data source for this study. The validity aspects investigated included perspective on validity represented, number and…

Accurate identification of young children at risk for mental health problems is a key step in establishing early childhood preventive intervention programs. Without psychometrically valid identification procedures, children in need of early intervention may not be identified and may not receive appropriate care. This article provides a review of…

The psychometric properties of the Adult Manifest Anxiety Scale-Elderly Version (AMAS-E) scores were evaluated in two studies. In Study 1, the temporal stability and construct validity of the AMAS-E test scores were examined in a group of 226 older adults, aged 60 years and older. Results indicated adequate to excellent temporal stability (2-week…

Reviews findings of a restandardization project which examined the current validity of the Minnesota Multiphase Personality Inventory (MMPI), an instrument used to test for personality and psychological disorders. States that the MMPI has proved to be a remarkably durable instrument over the 45 years of its use. (ML)

The psychometric literature is replete with comprehensive discussions of test validity, test validation, and the characteristics of quality assessment programs. The most authoritative source for guidance regarding sound test development and evaluation practices is the Standards for Educational and Psychological Testing. However, the Standards are…

Presents and discusses a variety of psychometric information pertaining to the American Association of Mental Deficiency (AAMD) Adaptive Behavior Scale. Presents reliability and validity data. Delineates the technical characteristics of the AAMD Adaptive Behavior Scale. (Author/RC)

Discusses aspects of psychological testing as a job screening tool. Examines sampling errors, cumulative effect of bad tests, measurement of specific personality traits, test standards, using tests correctly, test validity, cut-off policies, demographic questions, and practical tips for taking such tests. (CT)