Test associations with similar measures
If a statistically significant correlation is found between the composite or subscale scores of a survey and the scores of similar instruments, then evidence of convergent validity is assumed. A convergent validity coefficient of 0.3 must be obtained for the evidence to be relevant.
Statistician Services for Professionals
Eric Heidel, Ph.D. will provide the following services for researchers, professionals, and organizations at $100/hour. Secure checkout is available with Stripe or PayPal.
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- Sample Size Calculations
- Diagnostic Testing and Epidemiological Calculations
- Survey Design and Psychometrics
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