13. What term applies when a stimulus is detected less than 50% of the time? a)
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13. What term applies when a stimulus is detected less than 50% of the time? a) Absolute threshold b) Subliminal stimulation d) Sensory adaptation c) Di erence 14. According to signal detection theory, if your goal is to maximize hits what will also increase? a) Missesb) Correct rejections ) False Alarms d) All of them 15. Which sense is least likely to experience sensory adaptation? a) Taste b) Hearing c) Smell d) Vision 16. According to signal detection theory, if you go do the doctor and they do a test for a disease and conclude that you do not have theh disease, and you really don't have that disease, what has occurred? a) Hit b) Miss c) False Alarm d) Correct rejection 17. There are receptors in our eyes for all of the following colors except which one? a) Yellow b) Blue c) Red d) Green 18. Color is analyzed in opponent pairs. Which of the following is not one of the opponent pairs? a) Blue-Yellow b) Blue-Green c) Red-Green d) Black-White 19. Our tendency to group objects together if they are located close to each other is which Gestalt principle of grouping a) Closure b) Similarity c) Proximity d) Connectedness 20. Figures that defy basic logic are referred to as which of the following? a) Ambiguous figures c) Ilusions b) Impossible figures d) Apparent motionExplanation / Answer
Answer-13- (a) Absolute Threshold
Absolute threshold is a term used by Gustav Fechner to show the weakest amount of a stimulus that a person can differentiate from no stimulus at all. Absolute threshold applies when a stimulus is detected less than 50% of the time.
Answer-17- (a) Yellow
Colour vision is the capacity of distinguishing objects based on frequencies of light which they reflect,emit or transmit. There are receptors in our eyes for blue,red and green colours.
Answer-18-(b)Blue-Green
Ewald Hering developed the opponent process theory to explain that the cone receptors are connected with one another to create three opposing colour pairs which are- blue-yellow, red-green and black-white.
Answer-19-(c) Proximity
Proximity is a Gestalt principle of grouping that hold the objects which are close to one another and appear to form a group.
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