Basic Concepts Flashcards
1
Q
What are the three types of quantitative relationships?
A
- Frequencies
- Correlations
- Causal
2
Q
What is external validity?
A
Whether the results of a study can be generalized to a larger demographic.
3
Q
What are threats to external validity?
A
- sampling bias
- novelty effect
- operational definiton
- Poor ecological validity
4
Q
What is the novelty effect?
A
being in a study causes the participants to act nervous or strangely
5
Q
What does poor ecological validity mean?
A
The context of the experiment is too different from the real world conditions we wish to understand
(weird to replicate in a lab)
6
Q
What are the requirements for internal validity?
A
- must manipulate a variable
- must control extraneous variables
7
Q
Why can’t you make assumptions out of correlational claims?
A
- Because we don’t know whether X affects Y or vice versa
(directionality problem) - there might be a third variable affecting the correlation
(Third variable problem)
