computeQuestion: computeQuestion

In qcsong/EDCAT: Computerized adaptive test for eating disorders

Description

Find the question ID for the next question to be administered in CAT

Usage

computeQuestion(CATdesign, askedQuestions, responses)

Arguments

CATdesign	mirtCAT design object, obtained using mirtCAT(), see example
askedQuestions	The ID's of the questions administered so far
responses	The responses to each questions administered so far

Value

nextQuestion: the ID of the next question to administer or "done", indicating the termination of CAT

Examples

# Specify CATdesign object
data(CATdesign)
CATdesign <- mirtCAT(df, mod, criteria = 'KL', start_item = 'Trule',
                     design_elements = TRUE,
                     design = list(min_SEM = rep(0.4, 3),
                                   max_items = ncol(data_epsi1a),
                                   delta_thetas = rep(0.03, 3)))
# Questions #1 and #5 were previously administered
askedQuestions = c(1,5)
# The respondent's response to the previously administered questions (i.e., Questions #1 and #5) were Options 1 and 2
responses = c(1,2)
nextQuestion <- computeQuestion(CATdesign = CATdesign, askedQuestions = askedQuestions, responses = responses)
# The ID of the next question to administer
nextQuestion

qcsong/EDCAT documentation built on May 14, 2019, 12:54 a.m.