Zettle, R.D., Gird, S.R., Webster, B.K., Carrasquillo-Richardson, N., Swails, J.A. & Burdsal, C.A. (2018) The Self-as-Context Scale: Development and preliminary psychometric properties. Journal of Contextual Behavioral Science, 10, 64-74. https://doi.org/10.1016/j.jcbs.2018.08.010 The Self-as-Context Scale (SACS) items are in Table 2.
Zettle, R.D., Lyons, G.A., Larson, J.M., & Leonard, C. (2025). Psychometric Properties of the Self-as-Context Scale with a University Counseling Center Sample. Behavioral Sciences, 15(7), 910. DOI: 10.3390/bs15070910