read_qti: Read Assessment Items in QTI XML

In talbano/qti: Parsing Assessment Items as QTI XML

Read Assessment Items in QTI XML

Description

These functions read QTI XML from character strings or files. Only the single and multiple choice item types are currently supported.

Usage

read_qti(x, ...)

Arguments

x	String or connection to QTI XML file.
...	further arguments passed to or from other functions.

Value

read_qti returns an object of class “qti_item”, which contains the following elements, if present in x:

id	item id, extracted from the identifier attribute
title	item title, extracted from the title attribute
type	item type, currently “single” for single choice
prompt	text for the item stem
options	list of text for options
key	vector of correct/incorrect as 0/1 for options
xml	raw XML contents, stored as an object of class “xml_document”

Examples

# Read from character string
item <- read_qti(
  "<assessmentItem identifier='1584'
    title='Excellent Example Item'>
    <responseDeclaration identifier='RESPONSE' cardinality='single'
      baseType='identifier'>
      <correctResponse>
        <value>ChoiceB</value>
      </correctResponse>
    </responseDeclaration>
    <outcomeDeclaration identifier='SCORE' cardinality='single'
      baseType='float'>
      <defaultValue><value>0</value></defaultValue>
    </outcomeDeclaration>
    <itemBody>
      <prompt>
        <p>Is this a really good question?</p>
      </prompt>
      <choiceInteraction responseIdentifier='RESPONSE' shuffle='false'
        maxChoices='1'>
        <simpleChoice identifier='ChoiceA'>Yes</simpleChoice>
        <simpleChoice identifier='ChoiceB'>No</simpleChoice>
        <simpleChoice identifier='ChoiceC'>Maybe</simpleChoice>
      </choiceInteraction>
    </itemBody>
  </assessmentItem>"
)
item

talbano/qti documentation built on Jan. 25, 2023, 4:02 a.m.