Uncertainty exists insofar as the analysis of the submited data of the test users did not show a clear trend if an active internet connection may be a requirement for running the learning application (see table 2 (Tab. 2) ).
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Uncertainty exists insofar as the analysis of the submited data of the test users did not show a clear trend if an active internet connection may be a requirement for running the learning application (see table 2 (Tab. 2) ).