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The Association of American Medical Colleges (AAMC) is a nonprofit organization based in Washington, D.C. that was established in 1876. It represents medical schools, teaching hospitals, and academic and scientific societies, while providing services to its member institutions that include data from medical, education, and health studies, as well as consulting.
The AAMC provides official study materials for purchase on their website with hundreds of questions written by the developers of the MCAT, including four scored practice exams and one non-scored practice exam. [37] As of the 2023 MCAT testing cycle, 89.6% of students used official MCAT Practice Exams, while 61.2% of test-takers reported using ...
Jung v. Association of American Medical Colleges was an antitrust class-action lawsuit that alleged collusion to prevent American trainee doctors from negotiating for better working conditions. The working conditions of medical residents often involved 80- to 100-hour workweeks. [1] The suit had some early success but failed when the US ...
t. -test. In statistics, Welch's t-test, or unequal variances t-test, is a two-sample location test which is used to test the (null) hypothesis that two populations have equal means. It is named for its creator, Bernard Lewis Welch, and is an adaptation of Student's t -test, [1] and is more reliable when the two samples have unequal variances ...
The sign test is a statistical method to test for consistent differences between pairs of observations, such as the weight of subjects before and after treatment. Given pairs of observations (such as weight pre- and post-treatment) for each subject, the sign test determines if one member of the pair (such as pre-treatment) tends to be greater than (or less than) the other member of the pair ...
Research found that a new blood test for Alzheimer’s disease can accurately diagnose the condition 90% of the time. ... This particular test was used on a sample group in Sweden and Dr. Scrag ...
Cochran–Mantel–Haenszel statistics. In statistics, the Cochran–Mantel–Haenszel test ( CMH) is a test used in the analysis of stratified or matched categorical data. It allows an investigator to test the association between a binary predictor or treatment and a binary outcome such as case or control status while taking into account the ...
McNemar's test is a statistical test used on paired nominal data. It is applied to 2 × 2 contingency tables with a dichotomous trait, with matched pairs of subjects, to determine whether the row and column marginal frequencies are equal (that is, whether there is "marginal homogeneity "). It is named after Quinn McNemar, who introduced it in ...
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