The state-anger (10 items) and trait-anger (10 items) scales were used to examine the effect of the treatment program. Each item is rated on a 4-point Likert scale ranging from (never) to 4 (mostly). A high scores indicate a high level of corresponding anger. In a study of Korea adolescents, Park et al.(2010) reported an internal consistency reliability of 0.66 to 0.83. In the current study, Cronbach’s alpha coefficient was 0.87 to 0.91