“…Whereas in informant-based systems of assessment, method effects have been found with different informant types (e.g., self, mothers, fathers, caregivers, teachers, teacher aides, etc.) when employed for purposes of measuring a variety of outcomes including affective experiences (Bleidorn & Peters, 2011), child (Konold & Pianta, 2007) and adolescent (Konold & Glutting, 2008) behaviors, depression and anxiety (Eid et al, 2008), disease and injury (Sundblad, Saartok, Engström, 2006), health and well-being (Waters, Stewart-Brown, & Fitzpatrick, 2003), quality of life (Ellert, Ravens-Sieberer, Erhart, & Kurth, 2011), and social skills (Konold & Shukla, 2014). Across these studies, method effects have been found to have pronounced influences on the measurement of these constructs that are likely to persist over time (Grimm, Pianta, & Konold, 2009; Rajmil, López, López-Aquilà, & Alonso, 2013; Van der Ende, Verhulst, & Tiemeier, 2012).…”