Author : Marley Watkins
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Reliability of Difference Scores 2.0
E-Learning and Hobby » Science & Engineering

Calculates the reliability of difference scores.

License type : Freeware. • Released : June 13, 2009 • Downloads : 38 • Cost : $0.00

SimpleStatTests 1.0
E-Learning and Hobby » Science & Engineering

Calculates tests of dependent and independent means.

License type : Freeware. • Released : January 5, 2009 • Downloads : 39 • Cost : $0.00

SEscree 1.0
E-Learning and Hobby » Miscellaneous

Quantifies the visual scree test.

License type : Freeware. • Released : June 11, 2009 • Downloads : 40 • Cost : $0.00

Bayesian Calculator 2.0
E-Learning and Hobby » Miscellaneous

Calculates positive predictive power.

License type : Freeware. • Released : December 11, 2009 • Downloads : 50 • Cost : $0.00

Standard Score Converter
Standard Score Converter 2.0
E-Learning and Hobby » Miscellaneous

Converts raw scores to standard scores.

License type : Freeware. • Released : September 21, 2009 • Downloads : 57 • Cost : $0.00

Invariance 2.0
E-Learning and Hobby » Miscellaneous

Calculates three indices of factorial invariance.

License type : Freeware. • Released : February 15, 2009 • Downloads : 44 • Cost : $0.00

rSim 2.0
E-Learning and Hobby » Miscellaneous

Simulates the 95% confidence interval variations.

License type : Freeware. • Released : July 14, 2009 • Downloads : 28 • Cost : $0.00

alphaN 2.0
E-Learning and Hobby » Miscellaneous

Estimates the sample size needed for a specified coefficient alpha.

License type : Freeware. • Released : January 30, 2009 • Downloads : 38 • Cost : $0.00

Effect Size Calculator 1.3
E-Learning and Hobby » Miscellaneous

Calculates standardized effect sizes.

License type : Freeware. • Released : August 4, 2009 • Downloads : 96 • Cost : $0.00

ProbabilityCalc
ProbabilityCalc 2.0
E-Learning and Hobby » Miscellaneous

Calculate the probability of z, t, F, and chi-square values.

License type : Freeware. • Released : February 23, 2009 • Downloads : 35 • Cost : $0.00

rProphecy 2.0
E-Learning and Hobby » Miscellaneous

Uses Spearman-Brown prophecy formula, calculates reliability of a test

License type : Freeware. • Released : September 14, 2009 • Downloads : 32 • Cost : $0.00

rDiff 1.1
E-Learning and Hobby » Miscellaneous

Calculates the reliability of difference scores.

License type : Freeware. • Released : August 5, 2009 • Downloads : 25 • Cost : $0.00

PairwiseTests 1.5
E-Learning and Hobby » Miscellaneous

Three pairwise tests to control experiment error rates.

License type : Freeware. • Released : April 1, 2009 • Downloads : 42 • Cost : $0.00

Simple-t 3.0
E-Learning and Hobby » Miscellaneous

Calculates independent/dependent t-tests from group data.

License type : Freeware. • Released : May 15, 2009 • Downloads : 37 • Cost : $0.00

RandomNum 2.1
E-Learning and Hobby » Miscellaneous

Generates random numbers from uniform/normal distributions.

License type : Freeware. • Released : July 8, 2009 • Downloads : 38 • Cost : $0.00

r/z Conversion 1.3
E-Learning and Hobby » Mathematical Calculations

Converts between correlation coefficient and Fisher

License type : Freeware. • Released : May 29, 2009 • Downloads : 66 • Cost : $0.00

ROC Analysis
ROC Analysis 1.4
E-Learning and Hobby » Miscellaneous

Tool for graphing the ROC curve.

License type : Freeware. • Released : November 22, 2009 • Downloads : 57 • Cost : $0.00

Coefficient of Congruence 1.2
E-Learning and Hobby » Miscellaneous

Calculates the coefficient of congruence.

License type : Freeware. • Released : June 23, 2009 • Downloads : 41 • Cost : $0.00

Monte Carlo PCA for Parallel Analysis 2.0.3
E-Learning and Hobby » Mathematical Calculations

Computes Parallel Analysis criteria (eigenvalues).

License type : Freeware. • Released : October 15, 2009 • Downloads : 209 • Cost : $0.00

Mac ChiSquare Analysis 2.1
E-Learning and Hobby » Mathematical Calculations

Calculates chi-square statistic and more.

License type : Freeware. • Released : March 9, 2009 • Downloads : 67 • Cost : $0.00

MacPotthoff 2.1
E-Learning and Hobby » Science & Engineering

Tests of regression slopes/intercepts for test bias analysis.

License type : Freeware. • Released : May 16, 2009 • Downloads : 33 • Cost : $0.00

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