1
Q
What is the main weakness of pozzulo?
A
Reduced internal validity
2
Q
What design caused the problem?
A
Repeated measures design
3
Q
What type of order effect may occur?
A
Practice effect
4
Q
What is a practice effect here?
A
Children get better from familiarity with the task
5
Q
Why does this affect accuracy?
A
Not due to cartoon vs human faces
6
Q
What other order effect may occur?
A
Fatigue effect
7
Q
How does fatigue affect results?
A
Lower memory and attention in later tasks
8
Q
Why does this threaten validity?
A
Differences may be due to order, not IV
9
Q
What kind of variable is this?
A
Confounding variable
10
Q
Final impact?
A
Lowers internal validity
Pozzulo
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