There is a lot of research surrounding the efficacy of cognitive remediation therapy. Here are some of the many studies evaluating the efficacy of cognitive remediation therapy for psychological disorders:
Best, M. W., Gale, D., Tran, T., Haque, M. K., & Bowie, C. R. (2019). Brief executive function training for individuals with severe mental illness: effects on EEG synchronization and executive functioning. Schizophrenia Research, 203, 32-40.
Medalia, A., & Freilich, B. (2008). The neuropsychological educational approach to cognitive remediation (NEAR) model: practice principles and outcome studies. American Journal of Psychiatric Rehabilitation, 11(2), 123-143.
Miles, A., Crosse, C., Jenkins, Z., Moore, G., Fossey, E., Harvey, C., & Castle, D. (2021). ‘Employ Your Mind’: a pilot evaluation of a programme to help people with serious mental illness obtain and retain employment. Australasian Psychiatry, 29(1), 57-62.
Thérond, A., Pezzoli, P., Abbas, M., Howard, A., Bowie, C. R., & Guimond, S. (2021). The efficacy of cognitive remediation in depression: a systematic literature review and meta-analysis. Journal of Affective Disorders, 284, 238-246.