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nonresponse bias

См. также в других словарях:

  • Selection bias — is a statistical bias in which there is an error in choosing the individuals or groups to take part in a scientific study.[1] It is sometimes referred to as the selection effect. The term selection bias most often refers to the distortion of a… …   Wikipedia

  • Sampling bias — In statistics, sampling bias is when a sample is collected in such a way that some members of the intended population are less likely to be included than others. It results in a biased sample, a non random sample[1] of a population (or non human… …   Wikipedia

  • Opinion poll — An opinion poll, sometimes simply referred to as a poll is a survey of public opinion from a particular sample. Opinion polls are usually designed to represent the opinions of a population by conducting a series of questions and then… …   Wikipedia

  • Random digit dialing — (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were… …   Wikipedia

  • Straw poll — A straw poll or straw vote is a vote with nonbinding results. Straw polls provide important interactive dialogue among movements within large groups, reflecting trends like organization and motivation. [http://www.msnbc.msn.com/id/21209617 Vote… …   Wikipedia

  • Small world experiment — The six degrees of separation model The small world experiment comprised several experiments conducted by Stanley Milgram and other researchers examining the average path length for social networks of people in the United States. The research was …   Wikipedia

  • Schweigeverzerrung — Der Begriff Schweigeverzerrung (engl. non response bias) bezeichnet in der Empirie eine Verzerrung des Ergebnisses, die dadurch entsteht, dass Antwortende andere Antworten geben als diejenigen geben würden, die nicht geantwortet haben. Ursache… …   Deutsch Wikipedia

  • J. Scott Armstrong — Infobox Scientist name = J. Scott Armstrong image width = 120px caption = birth date = Birth date and age|1937|3|26|mf=y birth place = death date = death place = residence = U.S. nationality = American field = Marketing work institution = The… …   Wikipedia

  • Shere Hite — Infobox scientist name = Dr. Shere Hite birth date = November 2, 1942 birth place = Saint Joseph, Missouri nationality = field = sexology work institutions = alma mater = University of Florida doctoral advisor = doctoral students = known for =… …   Wikipedia

  • Missing data — In statistics, missing data, or missing values, occur when no data value is stored for the variable in the current observation. Missing data are a common occurrence and can have a significant effect on the conclusions that can be drawn from the… …   Wikipedia

  • Statistical survey — Statistical surveys are used to collect quantitative information about items in a population. Surveys of human populations and institutions are common in political polling and government, health, social science and marketing research. A survey… …   Wikipedia

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