The preliminary report--two-thirds of which consists of tabular data--describes an early identification system used in London, Ontario (Canada) for kindergarten and first grade high risk students, and provides some data bearing on the internal consistency and concurrent validity of the system. Simple descriptive summaries of some characteristics…

The reliability and validity of the Modified Component Disability Checklist were examined with five secondary learning disabled (LD) teachers, 21 low achieving students, and 21 LD students in grades 7, 8, and 9. During Phase I, teachers matched the component disability to the target behavior; and in Phase II teachers were told to judge each target…

The study investigated the reliability and validity of professional groups using the Modified Component Disability Instrument to identify/evaluate learning disabled (LD) adolescents. Ss included 166 LD teachers, speech clinicians, remedial reading teachers, school psychologists, school principals, and school counselors. Calculations were made for…