Acceptance of income taxation as the fairest kind of tax is based on the premise that an individual's income is the best single index of one's ability to contribute to the support of government.
UNICEF relied too much on asking youngsters how they felt (did they have "kind and helpful" schoolmates?); the new study stresses meatier things like vaccination and test scores.With equal rigour, the OECD avoids a single index of child welfare in its 30 member states.
Meanwhile, height is in most circumstances the best single index of growth, being a measure of a single tissue (that of the skeleton; weight is a mixture of all tissues, and this makes it a less useful parameter in a long-term following of a child's growth).
Based upon the observed genetic covariance matrix, a multivariate informed single index of genetic liability can be estimated.
The GIS-based multicriteria technique combines the information from several indicators (criteria) to form a single index of social vulnerability (Chen et al. 2010).
We limited the evoked potential measures to the amplitude of the negative peak at 150 msec (N150amp) and combined the latter 3 measures to form a single index of overall sympathetic nervous system arousal (Arousal).
