Summary A well designed questionnaire: collects appropriate data
{"Image DocumentName": "Summary A well designed questionnaire: collects appropriate data", "Image ImageDescription": "-> to answer your research question. minimises potential sources of bias. -> increases the validity of the replies. Will much more likely be completed. It is worth to spend time in the design of your questionnaire!", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}