Statistical Analysis Tools
Professional statistical tools for neuropsychological data analysis, significance testing, and clinical interpretation
Available Statistical Tools
Evidence-based statistical calculators and analysis tools designed for clinical neuropsychology practice and research.
Reliable Difference Calculator (Adults)
Estimates whether differences between two test scores are statistically 'reliable' or due to measurement error
Reliable Difference Calculator (Child)
Estimates whether differences between two test scores are statistically 'reliable' or due to measurement error
Reliable Change Calculator (Common Tests)
Assess whether changes in test scores over time represent genuine improvement or decline beyond measurement error. This version is designed for most of the common cognitive tests and only requires test scores.
Reliable Change Calculator (Any Test)
Assess whether changes in test scores over time represent genuine improvement or decline beyond measurement error. This tool can be used with any test but requires knowledge of test-retest reliability scores from published validation studies or the test manual.
RBANS Validity Calculator
Apply validity indices to RBANS data to assess test performance validity during assessment
D-KEFS Contrast Scale Scorer
Statistically compare differences between scaled scores on the Delis-Kaplan Executive Function System
Estimated True Score Calculator (Any Test)
Calculate a client's Estimated 'True' Score- adjusting for regression to the mean in extreme scores. This tool can be used with any test but requires knowledge of test-retest reliability scores from published validation studies or the test manual.
Coming Soon
We have many other useful tools either planned or in development. Keep checking the website for new additions.