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PSY 375 2-2 Module Two Lab Worksheet
- Course
- Psy 375
- Institution
- Southern New Hampshire University
PSY 375 2-2 Module Two Lab Worksheet
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PSY 375 Module Two Lab Worksheet TemplateComplete this template by replacing the bracketed text with the relevant information that reflects your experience in this lab activity.
However, when stating objective facts, all concepts and ideas requiring attribution must be cited according to APA style.
Change Detection Lab
Data
● Insert your data in the table below.
Proportion Correct for No Flicker: Reaction Time (ms) to No Flicker:
1 4385.125
Proportion Correct for Flicker: Reaction Time (ms) to Flicker:
0.875 8915.875
1
,● Insert a screenshot of the lab output below.
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, Lab Questions
● How does the pattern of your individual data relate to the pattern of results predicted? Hint: See the lab introduction, the
predicted results that come with your output, and the text.
○ My individual data from the change detection lab shows that changes are easier to detect if there is not a flicker screen
between the two images. “The presence of the mask prevents automatic detection of change” (MindTap - Cengage
Learning, n.d.). The lab introduction predicted a higher chance of not noticing a change when the flicker is between the
original image and the changed image, causing the viewer to search the second image for any possible changes.
Regarding my flicker results, one of the trials was received incorrectly, as the lab introduction indicated would possibly
happen.
● How did the gray field (the flicker) affect your proportion correct and RT? Why does the gray field tend to negatively affect
accuracy and RT? Why are we measuring both RT and accuracy? What does this tell you about how different people approach
a task like this?
○ The flicker affected my proportion correct on only one trial. Although the flicker affected my reaction time, I felt that
the ability to slow down and really focus on the images allowed me to make the correct choice of a change being absent
or present. When switching images without the flicker, I was able to spot if a change had been made easier and quicker.
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