“…Studies have investigated the benefits of Facebook groups for teacher professional development using theoretical and practice-based approaches (Bal, 2019;Bett & Makewa, 2020;Bissessar, 2014;Deniz, 2016;Ergüney, 2019;Ganapathy et al, 2020;Kelly & Antonio, 2016;Liljekvist et al, 2020;Lantz-Andersson et al, 2017;Patahuddin & Logan, 2019;Petti & Triacca, 2013;Rutherford, 2010;Sarıdaş, 2017;Staudt et al, 2013;Yildirim, 2019). However, we have not found a detailed longitudinal study examining Turkish teacher groups, although these groups have increased in recent years.…”