Types of Validity

1. External

1.1. conclusions can be generlized

2. Criterion

2.1. Predictive

2.1.1. predicts future values of criterion

2.2. Concurrent

2.2.1. correlates with other tests.

3. Face

3.1. looks like it'll work

4. Construct

4.1. convergent

4.1.1. simultaneous measures of same construct correlate.

4.2. Discriminant

4.2.1. doesn't measure what it shouldn't

5. Internal

5.1. causal relationship

6. Conclusion

6.1. any relationship can be found

6.1.1. New node