phi coefficient


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Noun1.phi coefficient - an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female)
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
distribution free statistic, nonparametric statistic - a statistic computed without knowledge of the form or the parameters of the distribution from which observations are drawn
References in periodicals archive ?
A phi coefficient was used to determine the magnitude of effect size, or strength of significant associations, identified in the crosstabs according to the following scale: .
To interpret the strength of relationship coefficients (the Phi coefficient, Cramer's coefficient and the Contingency coefficient), a scale according to de Vaus [8] was used.
Taking the number of participants agreeing to a request, independent chi square and phi coefficient test analyses of the 3 (experimental condition) x 2 (compliance) design revealed a significant effect ([chi square](2, N = 90) = 17.
Other correlations coefficients will test non-linear relationships or those not measured at the interval level, such as phi coefficient, point biserial correlation coefficient, and others (Lang & Secic, 2006).
It provides a more realistic estimation than phi coefficient if applied to 2x2 tables (Bonett & Price (2005), and its value is generally larger.
For individual items, relationships among variables were evaluated using the chi-square test of independence and the phi coefficient to determine whether the independent variables were related to performance on individual items.
A phi coefficient was used to determine the relationship between the following variable and teacher retention: teacher education program completed.