Embedding Psychological Factors in Technology Design to Improve Adherence to Physical Activity: Literature Review and Survey (Preprint) P Rick, M Sánchez-Martín, Aneesha Singh, S Navas-León, M Bordá-Más, N Bianchi-Berthouze, A Tajadura-Jiménez in Working/Discussion Paper DOI: 10.2196/preprints.19663