RIOT - a tool for estimating the reliability of surveys Online publication date: Thu, 02-Jul-2015
by James Daniel Correa De Freitas; Henrique Rego Monteiro Da Hora; Dalessandro Soares Vianna; Helder Gomes Costa
International Journal of Information and Communication Technology (IJICT), Vol. 7, No. 4/5, 2015
Abstract: The constant search for quality in services by organisations requires a greater concern for the credibility and reliability of tools, such as the questionnaire, used to measure the satisfaction level of individuals about products and/or services provided. It is now known that the Cronbach's alpha coefficient is an estimate created to evaluate how reliable a questionnaire is. In this work, this coefficient becomes an important piece in the creation of a new tool, called rational inference over trust (RIOT), which through the implementation of a genetic algorithm and the idealisation of a new estimate adapted to a new reliability evaluation, will seek to optimise the same in a given questionnaire.
Online publication date: Thu, 02-Jul-2015
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