Mary Ryder, Freda Browne
Changing the delivery of continuing professional education: An action research approach
Nurse education today
low survey response rate may indicate risk nonresponse error high know little nonresponse causes error nonresponse ignorable leveragesalience theory survey participation suggests survey topic factor decision participate noncooperation cause nonresponse error test three hypotheses derived theory 1 faced survey request topic interest cooperate higher rates less interested topic 2 tendency interested cooperate readily diminished monetary incentives offered 3 impact interest cooperation nonignorability implications key statistics data come threefactor experiment examining impact cooperation surveys five different topics using b samples five different populations known attributes related topics c two different incentive conditions