Biased survey question Bias refers to that quality of a measurement device that

Social Science
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Jul 23rd, 2015
A data collection instrument or method is calledbiasedif itsystematicallyfavors some outcomes over others. Sampling bias is sometimes called as certainment bias (especially in biological fields) orsystematic bias. causes of bias can be identified and committed to ensure a bias free data collection method stay tuned for a full answer, I am experiencing connection problem. will be back to you in 10 minutes
Jul 23rd, 2015
Unlike error related to random variability, bias cannot be assessed without external knowledge of the world. Inferences from a biased sample are not as trustworthy as conclusions from a truly random sample.Sources of bias includes: use of convenience samples, lack of blinding ; and use of voluntary response samples. One example of bias is when Studies of human genetic variation typically use DNA microchips to identify variation in certain genes that are known to have different verwions. But if the microchip is created to assess only certain genes known to vary in a particular population, the study willnot pick up genes that do not vary in that population, but vary between taht population and others, or within some othe populations. For example, a study using a microchip based on genes known to vary in Europran populations may miss variaion betwen European and Asian populations or between different Asian populations.
Jul 23rd, 2015
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Jul 23rd, 2015

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