Midterm 1 Review

Question 1

perceptual process diagram

Answer 1

distal stimulus

proximal stimulus: where things can go wrong (different light you perceive something different)

Question 2

abs. threshold

Answer 2

trying to see how little light (stimulus) can come in that you still detect the stimulus

Question 3

method of limits

Answer 3

either high or low intensity that either goes down or up, until you get a midtway point where half the time you’re saying: “yes i see it” no i dont (cross over point)

Question 4

method of adjustemtn

Answer 4

quick but rough

good for testing whether people can observe the stimulus you want

Question 5

method of constant stimuli

Answer 5

50% point (where you’re saying yes and no - crossover point) is the threshold

Question 6

adaptive staircase

Answer 6

still looking for the lowest perceivable stimulus

Question 7

Weber’s Law

Answer 7

used to detect the smallest difference between two stimuli

if you are comparing stimuli the

Question 8

inverted retina problem

Answer 8

light is scattered and absorbed before it reaches the photoreceptors

muller cell