measurement

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measurement

[mĕzh´er-ment]
1. determination of the extent or quantity of something.
2. the assigning of numbers to objects, events, or situations in accord with some rule.
interval level measurement measurement of data on an interval scale.
nominal level measurement the lowest level of measurement, used when data can be organized into categories that are exclusive and exhaustive but the categories cannot be compared. Examples are gender, race, and marital status.
ordinal level measurement measurement of data that can be assigned to categories of numerical rank; it must be kept in mind that the intervals between the ranked categories may not be equal, for example, levels of education, degrees of coping, and levels of mobility.
physiologic measurement techniques used to measure bodily variations either directly or indirectly; examples are measurements of heart rate, mean arterial pressure, and total lung capacity.
ratio level measurement the highest form of measurement that meets all the rules of other forms of measure; it includes mutually exclusive categories, exhaustive categories, rank ordering, equal spacing between intervals, and a continuum of values. Ratio level measurement also includes a value of zero. An example is weight.

mea·sure·ment

(me'zhŭr-ment),
Determination of a dimension or quantity.

measurement

[mezh′ərment]
Etymology: L, mensura
the determination, expressed numerically, of the extent or quantity of a substance, energy, or time. See also International Unit, metric system.

measurement

Managed care
See Measure.

Science-speak
The International System (SI) officially sanctions the use of certain prefixes for SI units:
• googa (100100)
• exa (1018)
• peta (1015)
• tera (1012)
• giga (109)
• mega (106)
• kilo (103)
• hecto (102)
• deka (101)
• deci (10–1)
• centi (10–2)
• milli (10–3)
• micro (10–6)
• nano (10–9)
• pico (10–12)
• femto (10–15)
• atto (10–18)
• zepto (10–21).
As in a kilogram—1 x 103 grams, or 1000 grams.

1012 corresponds to a British billion; 109, the American billion, corresponds to a British millard.

measurement

Managed care See Measure Medtalk The International System–SI officially sanctions the use of certain prefixes for SI units. See SI.
Measurement
googa  100100
exa 1018
peta  1015
tera 1012
giga  109
mega  106
kilo  103
hecto  102
deka  101
Note: 1012 corresponds to a British billion
109, the American billion, to a British millard

mea·sure·ment

(mezh'ŭr-mĕnt)
Determination of a dimension or quantity.

measurement

ascertaining a dimension by the physical act of measurement.

discretizing measurement