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purposive sampling

См. также в других словарях:

  • Sampling (statistics) — Sampling is that part of statistical practice concerned with the selection of individual observations intended to yield some knowledge about a population of concern, especially for the purposes of statistical inference. Each observation measures… …   Wikipedia

  • 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

  • Evidence-Based Nursing — or EBN is a method of identifying solid research findings and implementing them in nursing practices to further increase the quality of patient care. Overview Evidenced based nursing/evidence based practice (EBN/EBP) is a nursing process that… …   Wikipedia

  • Quantitative marketing research — is the application of quantitative research techniques to the field of marketing. It has roots in both the positivist view of the world, and the modern marketing viewpoint that marketing is an interactive process in which both the buyer and… …   Wikipedia

  • Consumer price index — CPI redirects here. For other uses, see CPI (disambiguation). A consumer price index (CPI) measures changes in the price level of consumer goods and services purchased by households. The CPI, in the United States is defined by the Bureau of Labor …   Wikipedia

  • Jerzy Neyman — Born April 16, 1894(1894 04 16) Bendery, Bessarabia, Imperial Russia Died August 5, 1981(1981 …   Wikipedia

  • Statistical inference — In statistics, statistical inference is the process of drawing conclusions from data that are subject to random variation, for example, observational errors or sampling variation.[1] More substantially, the terms statistical inference,… …   Wikipedia

  • Sample (statistics) — In statistics, a sample is a subset of a population. Typically, the population is very large, making a census or a complete enumeration of all the values in the population impractical or impossible. The sample represents a subset of manageable… …   Wikipedia

  • Qualitative marketing research — is a set of research techniques, used in marketing and the social sciences, in which data is obtained from a relatively small group of respondents and not analyzed with inferential statistics. This differentiates it from quantitative analyzed for …   Wikipedia

  • nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

  • Auswahlverfahren — Aus|wahl|ver|fah|ren 〈n. 14〉 Verfahren, um eine Auswahl (unter mehreren Personen) zu treffen, z. B. bei Stellenbesetzungen * * * Aus|wahl|ver|fah|ren, das: Verfahren, in dem bes. Personen für einen bestimmten Zweck ausgewählt werden. * * * I… …   Universal-Lexikon

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