“…Among them are the Interpersonal Checklist (ICL; LaForge & Suczek, 1955), Interpersonal Adjective Scales (IAS; Wiggins, 1979), Revised Interpersonal Adjective Scales (IAS-R; Wiggins, Trapnell, & Phillips, 1988), Inventory of Interpersonal Problems Circumplex Scales (IIP-C; Alden, Wiggins, & Pincus, 1990), and Inventory of Interpersonal Goals (IIG; Horowitz, Dryer, & Krasnoperova, 1997). The research described in the following tests these instruments for circumplex structure.…”