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BASELINE

n. a line that serves as a basis or reference point for observing behavior. Because this behavioral performance is stable,

BASIC REFLEXES

n. first and foremost, they are inherent sensorimotor responses to stimuli. Among the earliest to manifest, these are involuntary and

BATH THERAPY

n. a therapeutic form of medical treatment which makes use of water, specifically hot or cold water, sea water, bath

BAYLEY, NANCY

U.S. psychologist made famous by her outstanding work in creating the Bayley Scales of Infant and Toddler Development. First published

BEFORE-AFTER DESIGN

n. in clinical study, refers to an experimental design which analyzes results before and after trials. A pre-test and then