Introduction to Validity

Validity is important.

Two Important Concepts

Construct (continued)

Slide 5

Inference (continued)

Validity...

Validation...

“Unitary View” of Validity

Sources of Validity Evidence

Sources of Validity Evidence (cont’d)

Slide 12

Slide 13

Slide 14

Some Current Validity Issues

Validity Issues (cont’d)

Slide 17

Slide 18

Conclusions

Questions

References

NAEP Related Resources