“…We predicted only low to moderate kappa values when comparing family history checklist ratings to structured diagnostic interviews about specific relatives, for several reasons: (a) agreement about bipolar diagnoses is typically low when comparing clinical diagnoses to structured diagnostic interviews, with a recent meta-analysis finding K < .1 (Rettew, Lynch, Achenbach, Dumenci, & Ivanova, 2009); (b) mood diagnoses are especially prone to be misdiagnosed as a psychotic or antisocial disorder in minorities (DelBello, et al, 2001; Neighbors, et al, 2003; Strakowski, et al, 2003), who are over-represented in the present sample, and (c) the risk measure is asking for people’s recall of clinical diagnoses, which is prone to error (Weissman, et al, 2000) and also influenced to an unknown extent by differences in how families conceptualize mood and behavior problems (Li, Silverman, Smith, & Zaccario, 1997). …”