crt_iteman: Calculate criterion-referenced item discrimination indices

In rcrtan: Criterion-Referenced Test Analysis

Description

Calculate criterion-referenced item discrimination indices

Usage

crt_iteman(data, items, cut_score, scale = "raw")

Arguments

data	A data frame of dichotomously scored test times
items	Raw column indices representing the test items
cut_score	A raw or percentage cut-score
scale	A character vector indicating whether the cut-score is 'raw' (default) or 'percent'

Value

if_pass contains item facility values for test items for students who passed the test

if_fail contains item facility values for test items for students who did not pass the test

if_total contains item facility values for test items

b_index contains b-index values for items on the test

agree_stat contains agreement statistic values for items on the test

item_phi contains item phi values for items on the test

Examples

crt_iteman(bh_depend, 2:31, 21, scale = 'raw')

rcrtan documentation built on May 2, 2019, 2:10 a.m.