Observed-Score Linking and Equating
Bootstrap Equating Error
Composite Linking and Equating
Observed-Score Linking and Equating
Observed Score Linking and Equating
Frequency Distribution Tables
Plotting Bootstrap Equating Results
Plotting Equating Results
Plotting Frequency Distributions
Frequency Distribution Presmoothing
Percentile Ranks and Cumulative Frequencies
Bootstrap Random Sampling from Frequency Tables
Descriptive Statistics for Frequency Tables
Contains methods for observed-score linking and equating under the single-group, equivalent-groups, and nonequivalent-groups with anchor test(s) designs. Equating types include identity, mean, linear, general linear, equipercentile, circle-arc, and composites of these. Equating methods include synthetic, nominal weights, Tucker, Levine observed score, Levine true score, Braun/Holland, frequency estimation, and chained equating. Plotting and summary methods, and methods for multivariate presmoothing and bootstrap error estimation are also provided.