Item tree analysis
id:
item-tree-analysis-271-2819775
title:
Item tree analysis
text:
Item tree analysis (ITA) is a data analytical method which allows constructing a
hierarchical structure on the items of a questionnaire or test from observed response
patterns. Assume that we have a questionnaire with m items and that subjects can
answer positive (1) or negative (0) to each of these items, i.e. the items are
dichotomous. If n subjects answer the items this results in a binary data matrix D
with m columns and n rows.
Typical examples of this data format are test items which can b
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Item_tree_analysis
date created:
date modified:
2021-08-26T22:20:20Z
main entity:
{"identifier":"Q6094363","url":"https://www.wikidata.org/entity/Q6094363"}
image:
fields total:
13
integrity:
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