Limiting the view of the “path ahead” slows the tracing time of both normal and schizophrenic Ss on both simple and complex designs. Schizophrenic tracing speed is consistently about half that of normal matched controls.
References
1.
KingH. E.Trail Making performance as related to psychotic state, age, intelligence, education and fine psychomotor ability. Percept. mot. Skills, 1967, 25, 644–658.
