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Read this: Relative Misalignment 0° 1° 3° 9 / 15 9 / 16 9…
Read this:
Relative Misalignment
0°
1°
3°
9/15
9/16
9/9
Correct rejection rate:60%
Hit rate for 1°: 56%
Hit rate for 3°: 100%
Certain changes in stimuli are easier to discriminate than others because some are easier to see and more noticeable than others. Based on the data from each of the 40 trials, it was much easier to notice the difference for the 3°. My hit rate for 3° was 100% whereas my correction rate was 60% and my hit rate for 1° was 56%. It is easier to notice the changes in the larger stimuli than in the smaller changes. This is because of the various factors of each of the stimuli. I noticed that when I did each of the trials some of the trials were more difficult to tell which was different and which were the same. After the first few trials, I was pretty confident and was able to determine which lines were different or the same. It was also a little more tricky in the middle and I had a harder time distinguishing the lines. An example of this type of training used in the real world is a hearing test. When I visit my ENT doctor I sometimes am asked to take a hearing test. This type of training is related to a hearing test because when you are getting tested you put on headphones and will hear a variety of different sounds and beeps at different frequencies and volumes. It can be easy at the beginning but as the test goes on the sounds become very soft and low which can make it harder to hear and distinguish. Psychophysics is the “study of the relation between physical stimulation and perceptual experience” (Mather, 2014). Psychophysics is important to the development of psychology as a science because allows us to have an idea of perception and helps us sense the things around us. A modern example of psychophysics would be a scientific researcher. Researchers have to be able to know psychophysics so they can use this as an approach to their methods and evaluations.
Reference
George Mather. (2014). Essentials of Sensation and Perception. Routledge – Chapter 3: The Senses and The Brain
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