The CAGE questionnaire is a series of four questions that doctors can use to check for signs of possible alcohol dependency. The questions are designed to be less obtrusive than directly asking ...

The questionnaire is a vital tool for both quantitative and qualitative data collection. The following questionnaire templates should be adapted by country offices only after the finalization of the ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...