Bernecker, S. L., Levy, K. N., & Ellison, W. D. (2014). A meta-analysis of the relation between patient adult attachment style and the Working Alliance. Taylor & Francis. https://www.tandfonline.com/doi/abs/10.1080/10503307.2013.809561
Mallinckrodt, B., Anderson, M. Z., Choi, G., Levy, K. N., Petrowski, K., Sauer, E. M., Tishby, O., & Wiseman, H. (2017). Pseudosecure vs. individuated-secure client attachment to therapist: Implications for therapy process and outcome. Psychotherapy research : journal of the Society for Psychotherapy Research, 27(6), 677–691. https://doi.org/10.1080/10503307.2016.1152411