AP Psychology Vocab 5

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c.shortstop17
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79778
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AP Psychology Vocab 5
Updated:
2011-04-21 23:08:52
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mr scotts ap psychology vocab bear creek
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5th list of 50 or however many are left
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  1. Validity
    the ability of a testto predict future performance
  2. Population
    the group of subjects that a sample is drawn from
  3. Variance
    a measure of how far the actual result is from the expected value
  4. Scatterplot
    a graph containing a plot of points that analyzes the correlation of twofactors; the scale being from -1 to 1 and the slope of the line of bet fitbeing the correlation
  5. Type I error
    A false positive confusing a hypothesis when infact the null hypothesis is correct
  6. Type 2 error
    A false negative rejecting a true experimental hypothesis
  7. z score
    (standard score) a measure in standard deviations of how far a score falls from the mean
  8. range
    the difference between the highest and lowest scores in a distribution
  9. Absolute Threshold
    the minimum stimulation needed to detect a particular stimulus 50% of the time
  10. Depth Perception
    the ability to see objects in three dimensions although the images that strike the retina are 2-D; allows us to judge distance
  11. Binocular Cues
    depth cues, such as retinal disparity and convergence, that depend on the use of two eyes
  12. Just Noticeable Difference
    (difference threshold) the minimum difference between two stimuli required for detection 50% of the time
  13. Binocular Disparity
    – a binocular cue for perceiving depth; by comparing images from the two eyeballs, the brain computes distance – the greater the disparity (difference) between the two images, the closer the object
  14. Perceptual Set
    a mental predisposition to perceive one thing and not another
  15. Opponent Process Theory
    the theory that humans see colors in contrasting pairs (red-green, yellow-blue, andblack-white) because of opponent processing cells in the thalamus
  16. Cone
    retinal receptor cells that are concentrated near the center of the retina and that function in daylight or in well-lit conditions. The cones detect fine detail and give rise to color sensations
  17. Lens
    the transparent structure behind the pupil that changes shaped to help focus images on the retina
  18. Retina
    the light-sensitive inner surface to the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information
  19. Retinal Disparity
    a binocular cue for perceiving depth; by comparing images from the two eyeballs, the brain computes distance – the greater the disparity (difference) between the two images, the closer the object
  20. Afterimage
    an optical illusion that occurs after looking away from a direct gaze at an image

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