REACH Dictionary
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Validity
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Methodology
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Categories
Methodology
(5)Family Processes
(1)Programs/Resources
(0)Theories
(0)Therapy & Therapeutic Techniques
(0)Health (Mental & Physical)
(0)Demographic Characteristics
(0)Military
(0)1. External Validity
External validity refers to the extent to which the conclusions drawn from an experimental study may be generalized to the "real world."
Category: Methodology
Related Terms:
2. Internal Validity
Internal validity refers to the extent to which an intervention, rather than other influences, accounts for improved outcomes in an experimental study.
Category: Methodology
Related Terms:
3. Validity
Validity refers to the extent to which a measure appropriately measures the construct of interest. For instance, a ruler is a valid measure of height, but is an invalid measure of weight.
Category: Methodology
4. Validation
A verbal expression that conveys recognition and understanding of another person’s thoughts, feelings, and perspectives.
Category: Family Processes
Citation: Koerner, K., & Linehan, M. M. (2004). Validation principles and strategies. In W. O. Donahue, J. E. Fisher, & S. C. Hayes (Eds.), Cognitive behavior therapy: Applying empirically supported techniques in your practice (pp. 456 – 462). Wiley and Sons, Inc.
5. Statistical conclusion validity
The analysis of evaluation findings may arrive at incorrect conclusions as to whether the project had an effect due to weaknesses in the sample design or to the incorrect application or interpretation of statistical tests.
Category: Methodology
Citation: Bamberger, M., Rugh, J., & Mabry, L. (2006). Real world evaluation: Working under budget, time, data, and political constraints. Sage Publications.
6. Construct validity
Incorrect inferences about the constructs identifying what a project is intended to achieve. Because constructs tend to be intangible (e.g., student knowledge acquisition, improved quality of life), there may be some ambiguity regarding operational definitions or exactly what is being scrutinized or measured.
Category: Methodology
Citation: Bamberger, M., Rugh, J., & Mabry, L. (2006). Real world evaluation: Working under budget, time, data, and political constraints. Sage Publications.