Week 5 Flashcards
1
Q
What are confounding variables?
A
The variable/s in your experiment whose value you do not control and whose effect on the DV/s you wish to minimise.
2
Q
How do we establish causation?
A
Covariance; Temporal precedence; internal validity
3
Q
What is covariance?
A
Co-vary; as A changes, B changes.
4
Q
What is a temporal precedence?
A
Effect follows cause; A=B.
5
Q
What is internal validity?
A
There are no possible alternative explanations for the changes in B, A is the only thing that changed.
6
Q
What is the difference between within and between subjects?
A
Within - all participants complete all trials; Between - difference participants complete different trials in a study.
7
Q
Which design uses counter-balancing?
A
Within subjects; dependent; repeated.
