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Cronbach's alpha (Cronbach's ), also known as tau-equivalent reliability or coefficient alpha (coefficient ), is a reliability coefficient and a measure of the internal consistency of tests and measures. [1] [2] [3] It was named after the American psychologist Lee Cronbach.
The source reliability is rated between A (history of complete reliability) to E (history of invalid information), with F for source without sufficient history to establish reliability level. The information content is rated between 1 (confirmed) to 5 (improbable), with 6 for information whose reliability can not be evaluated.
The Army Beta 1917 is the non-verbal complement of the Army Alpha—a group-administered test developed by Robert Yerkes and six other committee members to evaluate some 1.5 million military recruits in the United States during World War I. The Army used it to evaluate illiterate, unschooled, and non-English speaking army recruits.
The Beta Intelligence test was divided into seven subtests, which included: "Test 1- assessed the ability of army recruits to trace the path of a maze; Test 2- assessed the ability of cube analysis; Test 3-assessed the ability of pattern analysis using an X-O series; Test 4- assessed the ability of coding digits with symbols; Test 5- assessed ...
Put your knowledge to the test with this vocab quiz. Sigma. Your middle schooler describes his friend as “sigma.” That means he thinks his friend is: a. weak. b. weird. c. Greek. d. an alpha ...
Books published by university presses, e.g. Oxford University Press, Cambridge University Press Specialist encyclopedias, e.g. Routledge Encyclopedia of Philosophy, The J. R. R. Tolkien Encyclopedia
The Army Alpha is a group-administered test developed by Robert Yerkes and six others in order to evaluate the many U.S. military recruits during World War I. [1] It was first introduced in 1917 due to a demand for a systematic method of evaluating the intellectual and emotional functioning of soldiers.
In a media statement, Mace's office added: "Despite receiving over $110 million in taxpayer funding since 2008 — including $19 million this year alone — Alpha Genesis has a disturbing history ...