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Cohen's kappa measures the agreement between two raters who each classify N items into C mutually exclusive categories. The definition of is =, where p o is the relative observed agreement among raters, and p e is the hypothetical probability of chance agreement, using the observed data to calculate the probabilities of each observer randomly selecting each category.
Kappa is a way of measuring agreement or reliability, correcting for how often ratings might agree by chance. Cohen's kappa, [5] which works for two raters, and Fleiss' kappa, [6] an adaptation that works for any fixed number of raters, improve upon the joint probability in that they take into account the amount of agreement that could be ...
The Association of College Honor Societies (ACHS) is a voluntary association of national collegiate and post-graduate honor societies. It was established on December 30, 1925 by six organizations, including Alpha Omega Alpha , the Order of the Coif , Phi Beta Kappa , Phi Kappa Phi , Sigma Xi , and Tau Beta Pi .
Students hold the Key of Phi Beta Kappa at Duke University. The symbol of the Phi Beta Kappa Society is a golden key engraved on the obverse with the image of a pointing finger, three stars, and the Greek letters from which the society takes its name. On the reverse are found the initials "SP" in the script.
Fleiss' kappa is a generalisation of Scott's pi statistic, [2] a statistical measure of inter-rater reliability. [3] It is also related to Cohen's kappa statistic and Youden's J statistic which may be more appropriate in certain instances. [4]
Alpha Gamma Sigma (ΑΓΣ; AGS) is the honor society of the California Community Colleges system, founded in 1926 by William T. Boyce at Fullerton College. [1] It was conceived as "an intellectual stimulus, comparable to that of Phi Beta Kappa in the higher colleges" [2] for what were then called junior colleges in California.
Chi Sigma Iota (CSI) was established on January 1, 1985, with the chartering of the Alpha chapter at Ohio University.It is an academic and professional honor society for counseling students, counselor educators, and professional counselors.
Alpha Beta Kappa National Honor Society (ΑΒΚ) is an American honor society for students who attend private certificate, vocational, and trade schools. It was established in 1977 and has chartered 500 chapters.