random selection

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random selection

a method of choosing subjects for a research study in which all members of a particular group have an equal chance of being selected.


unplanned, without direction or purpose.

random assignment
random mating
where each member of the population has an equal opportunity of mating with every member of the opposite sex.
random numbers
a list of numbers obtained by a standard randomization procedure; used commonly to select individual animals from a pack.
random sample
see random sample.
random sampling
a procedure for selecting units from a group in such a way that each unit has an equal chance of being selected in the sample.
random selection
selection in such a way as to produce a random sample.
random variable
a group or quantity that takes various values, each with varying probabilities.
References in periodicals archive ?
But he added that in Perry's case, he would have switched gears and used random selection, because it is a way to eliminate the appearance of any bias.
But he sees random selection as being useful in limited situations - such as in deliberative polling, prior to a referendum.
It could be assumed that this simple algorithm based on random selection and a relatively small number of repetitions could be a good way of solving practical tasks with a small number of machines and tasks.
This was how the ancient Greeks, to whom we owe the very idea of democracy, originally ran their affairs and we have used random selection to great effect in choosing members of juries for about a millennium.
The additional coverage will be achieved with the help of the DVLA, who will send out the questionnaires to a random selection of consumers, instead of just Top Gear viewers and Top Gear magazine readers.
Other patients with less serious medical need will be selected based on a computerized random selection process administered by NORD.
Sail on: To celebrate the USS Constitution's bicentennial, Old Ironsides - built in 1797 and given her nickname after British canon balls bounced off her sides during the War of 1812 - will cruise Boston Harbor 10 times this summer, carrying 1,000 passengers drawn by random selection.
Our sample was drawn from people attending an NMSS leadership conference and a random selection of members from ten National MS Society chapters.
A random-number generator scrambles the bits of a given number to produce a new number in such a way that the result appears to be independent of previously generated numbers and represents a random selection from the set of all available numbers.
Avoiding Ghettos of Like-Minded People: Random Selection and Organizational Collaboration (Lyn Carson).
Concerns that unscrupulous promoters were fixing the charts led to the collating method being changed in 1969, with new technology allowing the chart compilers to log sales from a random selection of shops around the country.
Carol Vorderman's random selection of vowels and consonants produced a line of letters which ended in A,R,S,E.