Precision in measurement
Precision in measurement means the reliability, consistency, and confidence of treatment effects
Reliability, a concept from psychometrics, is also associated with the precision of measurement. If a test were given to someone 100 times, psychometricians hypothesize that the "true score" falls somewhere within a 95% confidence interval around the "observed score" that is derived from the standard error of measurement (SEM).
The most synonymous words with precision in measurement are reliability, confidence, and consistency.
Statistician Services for Students
Eric Heidel, Ph.D. will provide the following services for undergraduate and graduate students at $50/hour. Secure checkout is available with Stripe or PayPal.
- Statistical Analysis
- Research Design
- Sample Size Calculations
- Diagnostic Testing and Epidemiological Calculations
- Survey Design and Psychometrics
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