Ioannou, Maria. 2019. “The Week After: Do the Effects of Imagined Contact Last over Time?”. Journal of Applied Social Psychology 49. Wiley Online Library: 459–470. doi:10.1111/jasp.12597.

Yamaguchi, Sosei, Yasutaka Ojio, Shuntaro Ando, Peter Bernick, Kazusa Ohta, Kei-ichiro Watanabe, Graham Thornicroft, Takuma Shiozawa, and Shinsuke Koike. 2018. “Long-Term Effects of Filmed Social Contact or Internet-Based Self-Study on Mental Health-Related Stigma: A 2-Year Follow-up of a Randomised Controlled Trial”. Social Psychiatry and Psychiatric Epidemiology 54. Springer Science and Business Media LLC: 33–42. doi:10.1007/s00127-018-1609-8.

Devine, Patricia G., Patrick S. Forscher, Anthony J. Austin, and William T.L. Cox. 2012. “Long-Term Reduction in Implicit Race Bias: A Prejudice Habit-Breaking Intervention”. Journal of Experimental Social Psychology 48. Elsevier BV: 1267–1278. doi:10.1016/j.jesp.2012.06.003.