Calculators
Download free research calculators
There are several Excel-based calculators available for free download in Research Engineer.
Click on a button below to continue.
Click on a button below to continue.
Download G*Power to calculate the needed sample size for chi-square, Mann-Whitney U, independent samples t-test, one-way ANOVA, McNemar's test, Wilcoxon, repeated-measures t-test, repeated-measures ANOVA, Pearson's r correlation, and the point-biserial correlation.
Free Excel-based calculator for diagnostic testing calculations like sensitivity, specificity, Youden index, positive predictive value (PPV), negative predictive value (NPV), and total diagnostic accuracy.
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- Statistical Analysis
- Sample Size Calculations
- Diagnostic Testing and Epidemiological Calculations
- Psychometrics