Their parents were also included in the study. The initial recruitment of the participants was when the children were at age 4, via advertisements in a free parenting brochure and through local preschools. The recruitment initially required that mothers complete the short temperament scale for children, the children who scored higher than 1 SD above or below the standardizing mean on the Approach Scale were selected. Of the selected, these children were categorized as behaviorally uninhibited (N=17) or behaviorally inhibited (N=28). At the time the study was conducted the standard deviation and sample mean on the Behavioral Inhibition Scale was consistent with public norms (M=9, SD=2.6). Suggesting that the sample was representative of the general population at the time of the research study. Participants were primarily Australian/Oceanic at 75.6%, European 15.6% and Asian at 8.9%. The majority of the participants came from higher income homes at 66.7% roughly reporting a gross income of AU$80,000.
Methods and Procedures Children's dysfunctional beliefs were measured using a revised version of the DBAS child scale, DBAS-10, the ten items that make up the scale were all statements about sleep related beliefs, rated on a 5 point Likert scale (1-5, strongly disagree, strongly agree)
Results and