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Data Concerning the Test Variables
The Total Typing Grades Criterion
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accuracy factor accuracy ratio added words Army Alpha ascertain association tests average best-weighted composite calculated Columbia University copying tests corrected for attenuation correlation ratios criteria criterion measures ditto Educational Psychology elements employed error count formula H H H I. T. C. Rules I. T. C. scoring intelligence test intercorrelations International Typewriting Contest Kelley multiple correlation multiple-R Muscio number of omitted number of words number right objective measures omitted and repeated omitted words populations positive coefficients probable error proficiency psychological tests range regression reliability coefficients repeated or added repeated words reported rho's second plus fourth semesters Sowton Spearman Spearman-Brown reliability speed and accuracy speed criterion spurious correlation standard deviations Stenography T. T. G. criterion teachers test variables theoretical maximum correlation Toops total 48 minutes total typing grades typed papers Typewriting Contest Rules typists Underwood Typewriter University of Iowa unstated negative values weighting Woodworth-Wells word count