Glossaire de termes statistiques : Définition Panel data
Panel surveys repeatedly cover the same sample over stretches of time. Thus we collect what is called longitudinal data.
An example: In a survey, the same 1,000 people are asked about their holiday plans each year. The advantage of a panel survey is that it allows us to pursue developments over longer periods of time in relation to the same participants.
For example we could observe, if individuals changed certain attitudes due to changes in their lives and environments. In this special form of data collection, we must note that so-called panel effects might occur, i.e. participants are influenced by the way the data is ascertained. For example, an annually recurring survey may cause the participants to reflect on the topic of the survey more intensely in their daily lives than they normally would.
Les définitions de notre encyclopédie sont des explications simplifiées de termes. Notre but est de rendre ces définitions compréhensibles pour un large public. Par conséquent, il est possible que certaines d’entre elles ne soient pas entièrement à la hauteur des standards scientifiques.