{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T04:25:44Z","timestamp":1774412744799,"version":"3.50.1"},"publisher-location":"Berlin, Heidelberg","reference-count":7,"publisher":"Springer Berlin Heidelberg","isbn-type":[{"value":"9783540647706","type":"print"},{"value":"9783540687160","type":"electronic"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1998]]},"DOI":"10.1007\/3-540-68716-5_43","type":"book-chapter","created":{"date-parts":[[2007,11,22]],"date-time":"2007-11-22T13:39:03Z","timestamp":1195738743000},"page":"374-383","source":"Crossref","is-referenced-by-count":5,"title":["A Formative Evaluation of the PACT Algebra II Tutor: Support for Simple Hierarchical Reasoning"],"prefix":"10.1007","author":[{"given":"Albert T.","family":"Corbett","sequence":"first","affiliation":[]},{"given":"Holly J.","family":"Trask","sequence":"additional","affiliation":[]},{"given":"K. Christine","family":"Scarpinatto","sequence":"additional","affiliation":[]},{"given":"William S.","family":"Hadley","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2001,9,28]]},"reference":[{"key":"43_CR1","volume-title":"Rules of the mind","author":"J.R. Anderson","year":"1993","unstructured":"Anderson, J.R.: Rules of the mind. Lawrence Erlbaum, Hillsdale, NJ (1993)"},{"key":"43_CR2","doi-asserted-by":"publisher","first-page":"167","DOI":"10.1207\/s15327809jls0402_2","volume":"4","author":"J.R. Anderson","year":"1995","unstructured":"Anderson, J.R., Corbett, A.T., Koedinger K.R., Pelletier, R.: Cognitive tutors: Lessons learned. Journal of the Learning Sciences, (1995), 4, 167\u2013207","journal-title":"Journal of the Learning Sciences"},{"key":"43_CR3","doi-asserted-by":"publisher","first-page":"253","DOI":"10.1007\/BF01099821","volume":"4","author":"A.T. Corbett","year":"1995","unstructured":"Corbett, A.T., Anderson, J.R.,: Knowledge tracing: Modeling the acquisition of procedural knowledge. User modeling and user-adapted interaction, (1995), 4, 253\u2013278","journal-title":"User modeling and user-adapted interaction"},{"key":"43_CR4","volume-title":"Student modeling in the ACT Programming Tutor: Adjusting a procedural learning model with declarative knowledge Proceedings of the Sixth International Conference on User Modeling","author":"A.T. Corbett","year":"1997","unstructured":"Corbett, A.T., Bhatnagar, A.: Student modeling in the ACT Programming Tutor: Adjusting a procedural learning model with declarative knowledge Proceedings of the Sixth International Conference on User Modeling. Springer-Verlag Wein, New York (1997)"},{"key":"43_CR5","volume-title":"Handbook of human computer interaction","author":"A.T. Corbett","year":"1997","unstructured":"Corbett, A.T., Koedinger, K.R., Anderson, J.R.: Intelligent tutoring systems. In M.G. Helander, T.K. Landauer and P. Prabhu (Eds.) Handbook of human computer interaction, 2nd edition. Elsevier Science, Amsterdam (1997)","edition":"2nd edition"},{"key":"43_CR6","volume-title":"Artificial Intelligence and Education, 1995: The Proceedings of AI-ED 95","author":"K.R. Koedinger","year":"1995","unstructured":"Koedinger, K.R., Anderson, J.R., Hadley, W.H., Mark, M.A.: Intelligent tutoring goes to school in the big city. Artificial Intelligence and Education, 1995: The Proceedings of AI-ED 95. AACE, Charlottesville, VA (1995)"},{"key":"43_CR7","unstructured":"National Council of Teachers of Mathematics: Curriculum and Evaluation Standards for School Mathematics. The Council, Reston, VA (1989)"}],"container-title":["Lecture Notes in Computer Science","Intelligent Tutoring Systems"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/3-540-68716-5_43","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,2,25]],"date-time":"2019-02-25T19:53:58Z","timestamp":1551124438000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/3-540-68716-5_43"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998]]},"ISBN":["9783540647706","9783540687160"],"references-count":7,"URL":"https:\/\/doi.org\/10.1007\/3-540-68716-5_43","relation":{},"ISSN":["0302-9743"],"issn-type":[{"value":"0302-9743","type":"print"}],"subject":[],"published":{"date-parts":[[1998]]}}}