The study was designed as an Internet-based survey of (informal) family caregivers. Researchers have shown that online surveys as a method for collecting data can achieve a lot of informative value, representativeness and quality, especially with regard to specific target groups. For instance, Gosling et al. [38] compared a large Internet sample with a set of 510 published traditional samples, showing a high degree of diversity of the Internet sample with regard to sociodemographic variables such as gender, socioeconomic status, geographic region, and age. In addition, the authors state that Internet surveys are not adversely affected by nonserious or repeat responders compared to traditional methods.
The investigation is part of a broader context, DemStepCare,1 a model project for outpatient medical and nursing care in dementia, itself part of a the broader innovation fund project supported by the German Federal Joint Committee [39].
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