Читать книгу Handbook of Web Surveys - Jelke Bethlehem - Страница 59

Metadata:Metadata is “data that provides information about other data.” In short, it's data about data.Mixed‐mode survey:A survey in which various modes of data collection are combined. Modes can be used concurrently (different groups are approached by different modes) or sequentially (nonrespondents of a mode are re‐approached by a different mode).Paradata:Paradata of a web survey are data about the process by which the data were collected.Probability‐based panel: A panel for which members are recruited by means of probability sampling.