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- Item_tree_analysis abstract "Item tree analysis (ITA) is a data analytical method which allows constructing ahierarchical structure on the items of a questionnaire or test from observed responsepatterns. Assume that we have a questionnaire with m items and that subjects cananswer positive (1) or negative (0) to each of these items, i.e. the items aredichotomous. If n subjects answer the items this results in a binary data matrix Dwith m columns and n rows.Typical examples of this data format are test items which can be solved (1) or failed(0) by subjects. Other typical examples are questionnaires where the items arestatements to which subjects can agree (1) or disagree (0).Depending on the content of the items it is possible that the response of a subject to anitem j determines her or his responses to other items. It is, for example, possible thateach subject who agrees to item j will also agree to item i. In this case we say thatitem j implies item i (short ). The goal of an ITA is to uncover suchdeterministic implications from the data set D.".
- Item_tree_analysis wikiPageExternalLink i10.
- Item_tree_analysis wikiPageExternalLink paper.
- Item_tree_analysis wikiPageID "16569923".
- Item_tree_analysis wikiPageRevisionID "453737008".
- Item_tree_analysis hasPhotoCollection Item_tree_analysis.
- Item_tree_analysis subject Category:Data_analysis.
- Item_tree_analysis subject Category:Sampling_(statistics).
- Item_tree_analysis subject Category:Types_of_polling.
- Item_tree_analysis comment "Item tree analysis (ITA) is a data analytical method which allows constructing ahierarchical structure on the items of a questionnaire or test from observed responsepatterns. Assume that we have a questionnaire with m items and that subjects cananswer positive (1) or negative (0) to each of these items, i.e. the items aredichotomous.".
- Item_tree_analysis label "Item tree analysis".
- Item_tree_analysis sameAs m.03yb_ns.
- Item_tree_analysis sameAs Q6094363.
- Item_tree_analysis sameAs Q6094363.
- Item_tree_analysis wasDerivedFrom Item_tree_analysis?oldid=453737008.
- Item_tree_analysis isPrimaryTopicOf Item_tree_analysis.