Stamovlasis, D., Stavropoulou, G. and Karastergiou, E. 2021. Nonlinear Effects of Performance-Avoidance on Self-Efficacy: A Cusp Catastrophe Model. Journal of Psychology and Psychotherapy Research. 8, (Jun. 2021), 29–36. DOI:https://doi.org/10.12974/2313-1047.2021.08.4.