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This paper is in the following e-collection/theme issue:

Mobile Health (mhealth) (3738) Clinical Informatics (1486) Research Instruments, Questionnaires, and Tools (803) mHealth for Data Collection and Research (1286) mHealth in a Clinical Setting (802) Formative Evaluation of Digital Health Interventions (3574) Patient-Reported Outcome Measures (PROMs) (397) Development and Evaluation of Research Methods, Instruments and Tools (852) Digital Biomarkers and Digital Phenotyping (340) Ecological Momentary Assessment (EMA) (444)

Published on in Vol 27 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/51689, first published .
Person using a smartphone with the JTrack EMA+ app open

Cross-Platform Ecological Momentary Assessment App (JTrack-EMA+): Development and Usability Study

Cross-Platform Ecological Momentary Assessment App (JTrack-EMA+): Development and Usability Study

Authors of this article:

Mehran Sahandi Far1, 2 Author Orcid Image ;   Jona M Fischer1 Author Orcid Image ;   Svea Senge3 Author Orcid Image ;   Robin Rathmakers3 Author Orcid Image ;   Thomas Meissner3 Author Orcid Image ;   Dominik Schneble3 Author Orcid Image ;   Mamaka Narava1 Author Orcid Image ;   Simon B Eickhoff1, 2 Author Orcid Image ;   Juergen Dukart1, 2 Author Orcid Image
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Journals

  1. Krishnan A, Khurana P, Stankus A, Galvez S, Sanchez J, Altice F. An Ecological Momentary Assessment Smartphone App for High-Risk HIV Populations: Development and Usability Study. JMIR Formative Research 2026;10:e85108 View