Advantages and disadvantages of sampling

Sampling is the method, it can be defined as the method or the techniques that consisting of the selection for the study of a so-called part the portion or sample. Here this article gives the information about the advantages and disadvantages of sampling to know more details about it.

Advantages of sampling :
  • Sampling reduces demands on 
  • It is very accurate
  • Simple random sampling
  • Economical in nature
  • Save time
  • Systematic sampling easy to use
  • Much cheaper
  • Take less time
  • Guaranty that population will be evenly sampled
  • Very reliable
  • Scientific in nature
  • Very suitable for carving out a different survey
  • The result is obtained more quickly
  • Sampling may lead to better accuracy collected data, a small sample allow more effort to be made to reduce non-sampling error and non-response bases
Disadvantages of sampling :
  • There is always sampling error
  • Untrained main power
  • A good sampling result is required experience and qualified person
  • Chances for bias
  • Sampling may create a feeling of discrimination within the population
  • Sampling may be inadvisable where every unit in the population is illegally required to have a record 
  • Problem of accuracy
  • Difficult of getting the representative sample
  • A sample may be a biased hidden periodicity in the population coincide with that of selection
  • An absence of the informants
  • Chances of committing the error in sampling
  • For rare event, small sample may not yield sufficient  cases for study

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