

- Conclusion Validity
This is a section of Trochim's web site devoted to the discussion of conclusion validity, one of the four types of validity typically discussed in quantitative research design. While conclusion validity is often discussed in statistical terms, this presentation moves well beyond such a restricted perspective.
- Threats to Conclusion Validity
This is Trochim's discussion of the threats related to conclusion validity.
- Improving Conclusion Validity
Trochim discussed three ways to improve conclusion validity.