Abstract

AMARO GUERRA, Irlán. Improper use of the chi-square test and the omission of the confounding bias control. MEDISAN [online]. 2012, vol.16, n.4, pp. 623-632. ISSN 1029-3019.

Some basic elements on the use and misuse of independence and homogeneity chi-square tests in the final reports of theses are shown, as well as the importance of the confounding bias control, the need to take this into account in the analytic research and some methods to achieve it.

Keywords : hypothesis testing; chi-square; bias; thesis.

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