“…Field, Diego, Hernandez-Reif, Schanberg, & Kuhn, 2002), risk factors (e.g. Ohgi et al, 2003), effects of maternal substance use (Myers et al, 2003), inter-cultural studies (Loo, Ohgi, Zhu, Howard, & Chen, 2005), gender differences (Boatella-Costa, and intervention studies (Ohgi, Fukuda, Akiyama, & Gima, 2004). Considering the importance of assessing the psychometric properties of these factors, two lines of studies have emerged using: (1) confirmatory factorial analyses and (2) exploratory factorial analyses with comparison of the psychometric properties of the derived factor with the psychometric properties of the Lester et al (1982) factors.…”