Children inventory of anger. The ChIA is a 39-item measure that operationalizes anger according to the
conceptualization set forth by Ellis in Rational Emotive Behavior Therapy. To measure the beliefs most often
associated with anger, the ChIA yields a total score and subscale scores: Frustration, Physical Aggression, Peer
Relationships, and Authority Relations .The test may be used for youth aged 6–16. As Flanagan and allen (2005)
noted, internal consistency reliability For a sample of 1604 youth, are 0.95 for the total scale, and 0.85–0.86 for
each of the four subscales, which are impressive values. Test–retest reliability is 0.75 for the total scale, and
ranging from 0.65 to 0.75 for the subscales. Content validity for the instruments is believed to be good, as
evidence by feedback from professionals using the scale and the Concurrent validity was established by