Eta Squared Calculator Calculate Eta Squared (η²) Enter the required values to calculate the eta squared value for your ANOVA analysis. Sum of Squares Between Groups (SSeffect): Sum of Squares Total (SStotal): Calculate Result About the Eta Squared Calculator The Eta Squared Calculator is a powerful tool designed to help researchers, students, and […]
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Glass’s Delta Calculator About the Glass’s Delta Calculator The Glass’s Delta Calculator is a precise, scientifically validated online tool designed to compute Glass’s Δ, a standardized mean difference effect size measure that uses the control group’s standard deviation as the denominator. Introduced by Gene V. Glass in 1976, this metric is particularly useful when variances
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Hedges’ G Calculator About the Hedges’ G Calculator The Hedges’ G Calculator is a precise, scientifically validated tool designed to compute Hedges’ g, an unbiased standardized mean difference effect size measure. Developed by statistician Larry Hedges in 1981, Hedges’ g corrects for small-sample bias inherent in Cohen’s d, making it the preferred metric for accurate
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Cronbach’s Alpha Calculator Enter Scale Data Input the number of items, their individual variances, and the total scale variance to calculate Cronbach’s Alpha for reliability analysis. Number of Items (2–10): Generate Inputs Total Scale Variance: Calculate About the Cronbach’s Alpha Calculator The Cronbach’s Alpha Calculator is a vital statistical tool designed to measure
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Biserial Correlation Calculator Enter Data for Biserial Correlation Input the mean, standard deviation, and sample sizes for the two groups of the continuous variable, along with the proportion of the binary variable. Mean of Continuous Variable (Group 1): Mean of Continuous Variable (Group 2): Standard Deviation of Continuous Variable (Pooled): Sample Size of
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Polychoric Correlation Calculator Enter Contingency Table Data Input the frequencies for a contingency table to calculate the Polychoric Correlation. Specify the number of rows and columns (2×2 or larger). Number of Rows (Variable 1 Categories): Number of Columns (Variable 2 Categories): Generate Table Calculate About the Polychoric Correlation Calculator The Polychoric Correlation Calculator
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Tetrachoric Correlation Calculator Enter Contingency Table Values Input the frequencies for a 2×2 contingency table to calculate the Tetrachoric Correlation. Cell A (Both variables positive): Cell B (Variable 1 positive, Variable 2 negative): Cell C (Variable 1 negative, Variable 2 positive): Cell D (Both variables negative): Calculate About the Tetrachoric Correlation Calculator The
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