Noun
nonresponse (countable and uncountable, plural nonresponses)
The absence of a response.
Excluding subjects who move out of the study area during follow-up is rather equivalent of dropout or nonresponse, a selection bias in that it rather affects the internal validity of the study. Source: Internet
For surveys with substantial nonresponse, statisticians have proposed statistical models, with which data sets are analyzed. Source: Internet
Even though the units are initially chosen with known probabilities, the nonresponse mechanisms are unknown. Source: Internet
Swedes Richard Valliant, Alan H. Dorfman, and Richard M. Royall (2000), Finite Population Sampling and Inference: A Prediction Approach, Wiley, New York, p. 19 For example, many surveys have substantial amounts of nonresponse. Source: Internet