Control of variables Flashcards
1
Q
What are confounding variables?
A
varies systematically with the IV and affects the DV
2
Q
What are extraneous variables?
A
do not vary systematically with the IV but can affect DV
3
Q
What is internal validity?
A
The degree to which an observed effect was due to experimental manipulation and not other factors
4
Q
What is external validity?
A
The degree to which research findings can be generalised: to other settings (ecological); to other groups of people (population); over time (historical)
