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Explore the significance of validity and reliability in data analysis, along with factors influencing results and regression analysis. Learn how to ensure accurate and dependable outcomes in research.
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Vocabulary 2 from validity to reliability, and from factors to regression
the relations between • valid : up-to-date, true; well-grounded, sound, cogent = powerful, constraining, convincing; sufficient, and effective and • reliable : true, more true, refered to something, a trustworthy source;
Ethics ! • ethic (n): a moral principle or a set of principles • ethical (a): dealing with moral questions or theory • ethics (n, pl): the science of morals; a system of principles… (Source: The Cassell Concise Dictionary)
data manipulations 1 • factor : a changing value with an affect on a phenomenon; any circumstance, fact or influence which contributes to a result • factor analysis : A class of procedures primarily used for data reduction and summarization.
data manipulations 2 • regression : a backward movement, a return, reversion to type • regression analysis : A statistical procedure for analyzing associative relations between a metric-dependent variable and one or more independent variables.