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  • Sample design and evaluation for an occupational mobility study 

    O Muircheartaigh, C.A. (Economic & Social Studies, Dublin, 1977)
    The aim of this paper is to describe the design and evaluation of the sample for an occupational mobility study in Northern Ireland and the Irish Republic undertaken by Jackson et al. (1973-74)1. The objective of the study ...
  • Some evidence on validity of survey results 

    Whelan, B.J.; O Muircheartaigh, C.A. (Economic & Social Studies, Dublin, 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 ...