yardstick, requirement, determinant, prerequisites, parameters, guideline, determiner, litmus test, requisites, threshold, factor, metric, norms, precondition, objective, principle, tenet, discriminator, sine qua non, methodology, predictor, benchmarks, considerations, standard, priori, applicant, definition, qualifications, numerosity, proportionality, subcategory, desiderata, reason, rationale, typicality, null hypothesis, subgroup, representativeness, stricture, method, characteristics, constraint, simpliciter, component, aspect, discriminant, disinterestedness, ordinal, virtue, stipulations, suitability, rubric, limitation, ascription, tradeoff, trait, imperatives, element, equation, divisibility, syllogism, transitivity, perspicuity, warrantor, confounder, modality, necessity, referent, synonym, substitutability, practicability, relatedness, categorization, minimum, indicator, dissimilarity, paramount, targets, appropriateness, dictionary definition, formula, quantifier, means, common denominator, justification, impediment, calculation, competence, aptitude, summum bonum, correlation, drawback, axiom, nominative, exceptionality, category, meaningfulness, differentiator, dictates, definer, per se, variables, criteria, benchmark, prerequisite, requisite, yardsticks, clue, recommendation, safeguard, desideratum, touchstone, credential, measure, postulate, norm, model, audiological, cardiorespiratory, comparison, competency, compliance, decision, outcome, overlap, performance, psychophysiological, reliability, abovedescribed, achievement, adjoint, alcohol

baseline, control, control condition, graduated table, ordered series, scale, scale of measurement, standard of measurement

on the button, on the nose, sensationalism, sensualism, sort, sorting

ideal, point of reference, reference, reference point