Zhang, Lili ORCID: 0000-0002-2203-2949, Vashisht, Himanshu ORCID: 0000-0002-2726-946X, Nethra, Alekhya, Slattery, Brian ORCID: 0000-0001-8342-5781 and Ward, Tomás E. ORCID: 0000-0002-6173-6607 (2022) Differences in learning and persistency characterizing behavior in chronic pain for the Iowa gambling task: web-based laboratory-in-the-field study. Journal of Medical Internet Research (JMIR), 24 (4). ISSN 1438-8871