Ed & Psych Associates

Educational and psychological materials

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Monte Carlo PCA for Parallel Analysis
Free
Determine the number of factors to retain in a factor analysis.
Windows
Chi-Square Analysis
Free
Calculate chi-square statistic for 2x2 to 10x10 contingency tables.
Windows
Omega
Free
Compute omega and omega hierarchical, measures of measurement precisions on PC.
Windows
Mac Parallel Analysis
Free
Tables of eigenvalues produced by Monte Carlo simulations for Parallel Analysis criteria.
Mac
Effect Size Calculator
Free
calculates standardized effect sizes
Mac
ROC Analysis
Free
Graph the Receiver Operating Characteristic (ROC) curve and calculate the Area Under the Curve.
Windows
ROC Analysis
Free
graph receiver operating characteristic curve & calculate auc
Mac
Diagnostic Utilitity Statistics
Free
Calculate diagnostic efficiency statistics such as sensitivity, and specificity.
Windows
Effect Size Calculator
Free
Calculate effect sizesgiven group means and standard deviations.
Windows
MacBonferroni
Free
Calculates Holm's sequential Bonferroni method to maintain error rates at a desired alpha level.
Mac
ChiSquareDiff
Free
Chi-square different tests for nested SEM models as per Bryant and Satorra (2012).
Mac
rSim
Free
Simulate how the 95% CI and significance (probability) of the correlation vary by sample size.
Windows
Ability-Achievement Discrepancy Analysis
Free
Regression-based prediction for determination of a severe ability-achievement discrepancy.
Mac
CIeigenvalue
Free
Computes the confidence intervals of obtained eigenvalues.
Mac
Diagnostic Utility Statistics
Free
Calculates diagnostic efficiency statistics.
Mac
MacPotthoff
Free
tests of regression slopes for test bias analysis
Mac
EDPcalc
Free
Compute posterior probability when given prior probability and likelihood ratio.
Windows
Mac ChiSquare Analysis
Free
Calculates chi-square, phi, contingency coefficient, kappa.
Mac
Simple Stat Tests
Free
Calculate tests of means, variances, correlations, proportions, alphas, and AUCs from group data.
Windows
Reliability of Difference Scores
Free
Compute reliability of difference scores.
Mac
Omega
Free
Compute omega and omega hierarchical.
Mac
Invariance
Free
Calculate three indices of factor pattern invariance.
Windows
EDPcalc
Free
Computes posterior probability when given prior probability and likelihood ratio.
Mac
RandomNum
Free
generate random numbers from uniform & normal distributions
Mac