a type of non-sampling error caused by incorrectly defining the population of interest for a survey and either excluding or including certain types of respondents, eg limiting a survey to previous consumers of a product (and not asking the views of those who have not tried it).
RESEARCH POPULATION MIS-SPECIFICATION ERROR
Meaning of RESEARCH POPULATION MIS-SPECIFICATION ERROR in English
Raynet Business and Marketing English glossary. Английский глоссарий компании Raynet Business and Marketing . 2012