One row per scoring system, with what it measures, the scale it emits and whether it rests on a published instrument.
Value
data.frame of id, label, construct, scale_type, n_levels,
range, citation and recommended_for.
Examples
list_scoring_systems()#> id label construct
#> ioc ioc Index of item-objective congruence congruence
#> cvi cvi Content validity index relevance
#> binary binary Dichotomous congruence congruence
#> support_ladder support_ladder Five-level contribution scale coverage
#> continuous continuous Direct 0-1 rating congruence
#> scale_type n_levels range
#> ioc trichotomous 3 [-1, 1]
#> cvi ordinal 4 [1, 4]
#> binary binary 2 [0, 1]
#> support_ladder ordinal 5 [0, 1]
#> continuous continuous NA [0, 1]
#> citation
#> ioc Rovinelli & Hambleton (1977)
#> cvi Lynn (1986); Polit & Beck (2006)
#> binary No single source; dichotomous baseline.
#> support_ladder Unvalidated: this package's own construct.
#> continuous Unvalidated: incumbent baseline, not a published instrument.
#> recommended_for
#> ioc course_to_session, session_to_assessment
#> cvi session_to_assessment, course_to_session
#> binary course_to_session, session_to_assessment
#> support_ladder course_to_session
#> continuous course_to_session, session_to_assessment