Pielech, M., Bailey, R.W., McEntee, M.L., Ashworth, J., Levell, J., Sowden, G., & Vowles, K.E. (2016). Preliminary Evaluation of the Values Tracker: A Two-Item Measure of Engagement in Valued Activities in Those With Chronic Pain. Behavior Modification, 40(1-2) 239–256. DOI: 10.1177/0145445515616911
Vowles, K.E., Sowden, G., Hickman, J., & Ashworth, J. (2019). An analysis of within-treatment change trajectories in valued activity in relation to treatment outcomes following interdisciplinary Acceptance and Commitment Therapy for adults with chronic pain. Behaviour Research and Therapy, 115, 46-54. DOI: 10.1016/j.brat.2018.10.012