haphazard sampling

См. также в других словарях:

• sampling — The policy of inferring the behavior of a whole batch by studying a fraction of it. [MF essample, fr. L. exemplum, taking out] biological s. denotes s. that can be taken without jeopardy to the whole organism ( e.g., for hematological or… …   Medical dictionary

• Nonprobability sampling — Sampling is the use of a subset of the population to represent the whole population. Probability sampling, or random sampling, is a sampling technique in which the probability of getting any particular sample may be calculated. Nonprobability… …   Wikipedia

• Information technology audit process — Information technology audit process:Generally Accepted Auditing Standards (GAAS)In 1947, the American Institute of Certified Public Accountants (AICPA) adopted GAAS to establish standards for audits. The standards cover the following three… …   Wikipedia

• Natural experiment — A natural experiment is an observational study in which the assignment of treatments to subjects has been haphazard: That is, the assignment of treatments has been made by nature , but not by experimenters. Thus, a natural experiment is not a… …   Wikipedia

• random — I. noun Etymology: Middle English, succession, surge, from Anglo French randun, from Old French randir to run, of Germanic origin; akin to Old High German rinnan to run more at run Date: 1561 a haphazard course II. adjective Date: 1632 1. a.… …   New Collegiate Dictionary

• Design of experiments — In general usage, design of experiments (DOE) or experimental design is the design of any information gathering exercises where variation is present, whether under the full control of the experimenter or not. However, in statistics, these terms… …   Wikipedia

• Regression toward the mean — In statistics, regression toward the mean (also known as regression to the mean) is the phenomenon that if a variable is extreme on its first measurement, it will tend to be closer to the average on a second measurement, and a fact that may… …   Wikipedia

• The KLF — Infobox musical artist Name = The KLF Img capt = Img size = Landscape = Background = group or band Alias = The Justified Ancients of Mu Mu, The JAMs, The Timelords Origin = London, England Years active = 1987–1992, 1995, 1997 Label = KLF, Arista …   Wikipedia

• Chemical plant — BASF Chemical Plant Portsmouth Site in the West Norfolk area of Portsmouth, Virginia, United States. The plant is served by the Commonwealth Railway …   Wikipedia

• pedagogy — /ped euh goh jee, goj ee/, n., pl. pedagogies. 1. the function or work of a teacher; teaching. 2. the art or science of teaching; education; instructional methods. [1575 85; < Gk paidagogía office of a child s tutor. See PEDAGOGUE, Y3] * * *… …   Universalium

• Don't Go Breaking My Heart — For the Frasier episode, see Don t Go Breaking My Heart (Frasier). For the Hong Kong film, see Don t Go Breaking My Heart (film). For the Agnes song, see Don t Go Breaking My Heart (Agnes song). Don t Go Breaking My Heart …   Wikipedia