Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

Suggested Citation: "3 Sample Surveys: Overview, Examples, and Usefulness in Studying Aviation Safety." National Research Council. 2009. An Assessment of NASA's National Aviation Operations Monitoring ...

Professor of Statistics at UNSW, President of the Statistical Society of Australia and a Deputy Director of the Australian Centre of Excellence in Mathematical and Statistical Frontiers, UNSW Sydney ...

SEROLOGIC surveys have been widely employed as a means of ascertaining the presence of certain diseases and the state of immunity of specific population groups and for other purposes related to the ...