verbal test any test or scale in which performance depends...
nanometer (symbol: nm) n. 10–9 m (i.e., one billionth of a...
plantar reflex the involuntary flexing of the toes of a hea...
primary reward any stimulus that is innately reinforcing, s...
dynamic calculus a model of motivation based on measurement...
protolanguage n. in genetic linguistics, a posited common a...