The kleineWeltentdecker App - A Smartphone-Based Developmental Diary

Today, a vast number of tools exist to measure development in early childhood in avariety of domains such as cognition, language, or motor, cognition. These tools vary in different aspects. Either, children are examined by a trained experimenter, or caregivers fill out questionnaires. The tools are applied in the controlled setting of a laboratory or in the children’s natural environment. While these tools provide a detailed picture of the current state of children’s development, they are at the same time subject to several constraints. Furthermore, the measurement of an individual child’s change of different skills over time requires not only one measurement but high-density longitudinal a…