“…In terms of stability, Boylan, Vaillancourt, & Szatmari (2012) measured ODD symptoms in a sample of 932 four and five year olds five times over eight years and found that baseline ODD symptoms had significant correlations of .61, .51, .53, and .43 with ODD symptoms 2, 4, 6, and 8 years later, respectively (see also Lavigne et al, 2001; Whelan, Stringaris, Maughan, & Barker, 2013). In terms of consistency across settings, although correlations between different sources within the same settings (mothers with fathers; teachers with teachers) tend to be higher than between sources across different settings (parents with teachers), correlations between home and school are usually significant (e.g., Bernad, Servera, Grases, Collado, & Burns, 2014; Burns et al, 2008; Burns, Desmul, Walsh, Silpakit, & Ussahawanitchaki, 2009; Burns, Walsh, et al, 2013). …”