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Eight-year-old Amy always seems to be in "overdrive"-she has trouble sitting still for any length of time. Her teacher occasionally gives her short breaks in which she can get up and move around a bit as a way of releasing pent-up energy. Such breaks occur unpredictably, without regard for whether Amy is behaving appropriately or inappropriately at the time. Research indicates that such noncontingent reinforcement:
Physical Characteristics
The tangible attributes or features of an object or organism, including size, shape, color, and structure.
Down Syndrome
A genetic disorder caused by the presence of an extra 21st chromosome, leading to developmental and physical changes.
Sagittal Suture
The fibrous joint connecting the two parietal bones of the skull along the midline, from the front to the back.
Palpebral Fissures
The natural openings between the eyelids of the upper and lower eyes, varying in shape and size among individuals.
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