1 A) to understand how stimuli from the world affect the sensory experience B) to determine the absolute threshold in sensory perception C) to determine the difference threshold in sensory perception D) to study the relations between motivation, sensitivity, and decision making in detecting the presence or absence of a stimulus 2 A) the minimum amount of difference a person can detect between two stimuli B) the smallest increase or decrease in the intensity of a stimulus that a person is able to detect C) the weakest amount of a of stimulus required to produce a response D) that the stimulus must be detected in the presence of competing stimuli 3 A) smaller B) weaker C) larger D) brighter 4 A) a stimulus, or signal, must be detected in the presence of competing stimuli B) a signal may be difficult to detect due to competing stimuli C) sensory adaptation allows us to notice differences in sensations and react to changing stimuli D) the absolute threshold is the amount of a stimulus required to produce a response 50 percent of the time 5 A) ear B) muscles, tendons, and joints C) brain D) eyes 6 A) Taste receptors are the only receptors sensitive to chemical molecules. B) What people taste is greatly affected by their sense of smell. C) Taste is affected by the sensations of warmth, cold and pressure. D) Taste is composed of four primary sensory experiences -sour, salty, bitter, and sweet. 7 A) warmth B) pain C) pressure D) light 8 A) perceptual inference B) figure-ground C) Gestalt D) learned 9 A) Our perceptual set is the collection of beliefs, expectations, and needs that affect what we perceive. B) Until children are about 12 months old, depth perception is generally undeveloped. C) Babies as young as one month old can recognize different faces. D) Perceptual inference is an innate ability, independent of learning. 10 A) monocular depth cues B) binocular depth cues C) illusions D) subliminal messages
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