“…The OIS is a cyclical study conducted every 5 years and represents the only source of provincial data on the estimated rate of child welfare investigations conducted in Ontario (Fallon et al, 2017). The OIS is considered one of few exceptional sources of incidence study data worldwide and can help to identify trends including the impact of policy changes across study cycles (Jud, 2018). Six cycles of the OIS have been completed to date (OIS-1993, OIS-1998, OIS-2003, OIS-2008, OIS-2013and OIS-2018Fallon et al, 2005Fallon et al, , 2010Fallon et al, , 2015Fallon et al, , 2020Trocmé et al, 1994Trocmé et al, , 2002.…”