Zoekresultaten - 72 results
Unit Response and Costs in Web Versus Face-To-Face Data Collection: Comparison of Two Cross-sectional Health Surveys.
cost per completed questionnaire was almost 3 times lower (€41 [US $48]) compared with F2F data collection (€111 [US $131]). CONCLUSIONS: The F2F unit response rate was generally higher, yet for certain ...
Reitox national reporting to EMCDDA on drugs and drug addiction, 2018
Norway and the European Commission. Each of these Reitox National Focal Points collects information and produces comparable and scientifically sound data on the national drug situation. Up to 2014, Reitox ...