Income comparisons are among the key mechanisms used to explain satisfaction and happiness, among other outcomes. Yet progress on the questions of who people use as social referents and whether differential selection patterns exist can only be made based on valid and reliable measures of pay...

Social comparisons are an essential source of information about the self. Research in social psychology has shown individual variation in the tendency toward comparison with other people's opinions and abilities, raising the question of whether social comparisons are driven by psychological...

Menschen zählen aus dem All? Kann das denn möglich sein? Die Antwort lautet ja, allerdings ist diese Zählung nur in urbanen Räumen und nur auf indirekte Weise möglich. Aufgrund der indirekten Messung wird freilich gleichzeitig der Datenschutz perfekt gewahrt. Die hier dargestellte Methode...

Is it possible to count the earth's population from outer space? The answer is yes, in urban areas it is possible. However, this can only be done in an indirect manner: by identifying physical objects in the urban landscape in earth observation data and using these to estimate the number of...