bite bar 1. a device used to immobilize a participant’s hea...
élan vital in the thought of French philosopher Henri Bergs...
Ebbinghaus illusion a size contrast illusion in which a con...
visual acuity the degree of clarity, or sharpness, of visua...
standardized test 1. an assessment instrument whose validit...
drowsiness n. a state of low alertness characterized by low...