Change Detection Lab Case Study

PSY 375 Module Two Lab Worksheet Template

 

Complete this template by replacing the bracketed text with the relevant information. All responses to lab questions should be in your own words or paraphrased.

 

Change Detection Lab

Data

· Insert your data in the table below.

Proportion Correct for No Flicker:

[Insert value]

Reaction Time (ms) to No Flicker:

[Insert value]

Proportion Correct for Flicker:

[Insert value]

Reaction Time (ms) to Flicker:

[Insert value]

 

· Insert a screenshot of the lab output below.

[Insert screenshot]

 

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.

[Insert text]

 

· 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?

[Insert text]

· What implications does this experiment on change blindness and flickers have regarding real-world situations? Try to describe a specific sort of real-world situation: What would be the flicker in your example? Ensure that your example is your own, rather than one from course materials.

[Insert text]

 

Simon Effect Lab

Data

· Insert your data in the table below.

Condition Reaction Time (ms)
Consistent [Insert value]
Inconsistent [Insert value]

 

· Insert a screenshot of the lab output below.

[Insert screenshot]

 

Lab Questions

· How does the pattern of your individual data relate to the pattern of results predicted?

[Insert text]

 

· Identify the independent and dependent variables in this lab.

[Insert text]

 

Spatial Cueing Lab

Data

· Insert your data in the table below.

Mean Response Time
Condition Reaction Time (ms)
Valid [Insert value]
Neutral [Insert value]
Invalid [Insert value]

 

· Insert a screenshot of the lab output below.

[Insert screenshot]

 

Lab Questions

· Did your individual results match the predicted results? If so, how so? If not, why not?

[Insert text]

 

· If the spotlight model is false, what should your results have looked like, assuming you could pay attention to everything on the screen?

[Insert text]

· How could we apply the concept of invalid cues in a specific real-world situation, for example, “faking someone out” while playing a particular sport or game? Feel free to make up your own example or elaborate on one above. What would be the invalid cue in your example?