Primarily based on the early work of Sigmund Freud, _______________ theories hold that development is largely determined by how well people resolve conflicts they encounter at different ages

The flight-or-fight response is mobilized by the

A) central nervous system. B) somatic nervous system. C) sympathetic nervous system. D) parasympathetic nervous system.

Scientists arbitrarily set the limit for _____ as stimulation that can be detected 50 percent of the time

a) Weber's law b) the absolute threshold c) the difference threshold d) the saturation point