rcrtan (version 0.1.1)

crt_iteman: Calculate criterion-referenced item discrimination indices

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

# NOT RUN {
crt_iteman(bh_depend, 2:31, 21, scale = 'raw')
# }