“…This problem with Hill's system (1986) utilized in the current study have been pointed out in previous research (Hill, Corbett, Kanitz, Rios, Lightsey, & Gomez, 1992;Lee & Nomura, 2006). Although a revised version of the system, i.e., the Client Behavior System (Hill, et al, 1992), was developed to refiect more various aspects of client verbal behaviors, it displayed low inter-judge agreement (kappas = .48 to .54 ) due to the difficulty of differentiating between categories. Other systems of client verbal behavior have been utilized in previous studies.…”