**rank-order correlation coefficient** — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation, ↑rank difference correlation coefficient, ↑rank difference correlation • Topics: ↑statistics •… … Useful english dictionary

**rank-difference correlation** — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation coefficient, ↑rank order correlation, ↑rank difference correlation coefficient • Topics:… … Useful english dictionary

**rank-difference correlation coefficient** — noun the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables • Syn: ↑rank order correlation coefficient, ↑rank order correlation, ↑rank difference correlation • Topics: ↑statistics •… … Useful english dictionary

**correlation** — 1. The mutual or reciprocal relation of two or more items or parts. 2. The act of bringing into such a relation. 3. The degree to which variables change together. product moment c. a statistical procedure which yields the c. coefficient referred… … Medical dictionary

**rank correlation** — noun : a measure of correlation depending on rank * * * ˈrank correlation 7 [rank correlation] noun uncountable (statistics) a method for finding to what extent two s … Useful english dictionary

**Correlation** — In probability theory and statistics, correlation, (often measured as a correlation coefficient), indicates the strength and direction of a linear relationship between two random variables. In general statistical usage, correlation or co relation … Wikipedia

**Spearman's rank correlation coefficient** — In statistics, Spearman s rank correlation coefficient or Spearman s rho, named after Charles Spearman and often denoted by the Greek letter ho (rho) or as r s, is a non parametric measure of correlation ndash; that is, it assesses how well an… … Wikipedia

**Partial correlation** — In probability theory and statistics, partial correlation measures the degree of association between two random variables, with the effect of a set of controlling random variables removed. Contents 1 Formal definition 2 Computation 2.1 Using… … Wikipedia

**Birth order** — can affect human psychology, though many supposedly formative effects of birth order are instead related to other factors. Birth order is defined as a person s rank by age among his or her siblings. Birth order is often believed to have a… … Wikipedia

**Point-biserial correlation coefficient** — The point biserial correlation coefficient ( rpb ) is a correlation coefficient used when one variable (e.g. Y ) is dichotomous; Y can either be naturally dichotomous, like gender, or an artificially dichotomized variable. In most situations it… … Wikipedia