1. Affleck, G., Tennen, H., & Apter, A. (2001). Optimism, pessimism, and daily life with chronic illness. In E. C. Chang (Ed.), Optimism & pessimism: Implications for theory, research, and practice (pp. 147–168). Washington DC: American Psychological Association.
2. Anrewasikporn, A., Ehde, D., Alschuler, K. N., Turner, A. P., & Jensen, M. P. (2018). Positive factors, pain, and function in adults with multiple sclerosis. Rehabilitation Psychology, 63(4), 612–620.
3. Bandura, A. (1994). Self-efficacy. In V. S. Ramachaudran (Ed.), Encyclopedia of human behavior (pp. 71–81). New York: Academic Press.
4. Basten-Günther, J., Peters, M., & Lautenbacher, S. (2018). Optimism and the experience of pain: A systematic review. Behavioral Medicine, 20, 1–17.
5. Bates, M. S. (1996). The biocultural dimensions of chronic pain. Albany, NY: State University of New York.