Conclusion

The findings of this book facilitate the employment of agile eHealth usability evaluations as a step towards universal usability of eHealth inventions. These findings regarding prioritized eHealth usability evaluation methods are pertinent to patient-centered eHealth systems as such, which contribute to meaningful improvements to the usability of eHealth interventions and thus enable accessible health care for the aging population. The ToUsE toolbox provides a comprehensive outline of rapidly deployable and potentially useful eHealth usability evaluation methods for all prospective user groups of eHealth usability evaluations.