Reading research critically: results using correlation coefficients.
Statistical tests you have heard of, designed primarily to characterize relationships between and among variables within a data set, are correlations and regressions. Tests designed to analyze the difference among groups on a particular variable are the chi-squared test, the Student's t Test, and the analysis of variance. This article will explain the interpretation of simple relationships in research data, specifically correlations.
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D000704:Analysis of Variance; D016009:Chi-Square Distribution; D003627:Data Interpretation, Statistical; D006801:Humans; D015399:Nursing Research