Transdisciplinary thinking is crucial for addressing global challenges, yet standardized assessment tools for high school students are lacking. This study addresses this gap by developing and validating a transdisciplinary thinking scale (TTS) tailored for this demographic. Following established methodologies, the TTS was crafted through expert…

Although much educational research has investigated the relative effectiveness of different educational interventions and policies, little is known about the absolute net benefits of K-12 schooling independent of growth due to chronological age and out-of-school experience. The nearly universal policy of age tracking in schools makes this a…

Competency tests may be invalid because people have different kinds of problems. In addition, these tests do not measure the competency of people who solve problems in unorthodox ways. (LS)

Test validity, coaching, the college admissions process, and achievement tests are discussed by the director of the Iowa Testing Programs. Data published on the SAT are examined. It is suggested that systematic instruction in problem-solving skills may improve not only test performance but also skills the test is designed to assess. (Author/MLW)