Browsing The Economic and Social Review, Vol. 09, No. 3, 1978 by Author "Whelan, B.J."

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    • Some evidence on validity of survey results 

      Whelan, B.J.; O Muircheartaigh, C.A. (Economic & Social StudiesDublin, 1978)
      Data from sample surveys are subject to many sources of error. The most commonly discussed of these are sampling errors i.e., errors in the estimates which arise as a result of not including the whole population in the ...