{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T12:30:43Z","timestamp":1763469043014,"version":"3.45.0"},"publisher-location":"New York, NY, USA","reference-count":13,"publisher":"ACM","license":[{"start":{"date-parts":[[2017,4,25]],"date-time":"2017-04-25T00:00:00Z","timestamp":1493078400000},"content-version":"vor","delay-in-days":365,"URL":"http:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["ACI- 1440753, DRL-1252297, DRL-1109483, DRL-1316736, DRL- 1031398"],"award-info":[{"award-number":["ACI- 1440753, DRL-1252297, DRL-1109483, DRL-1316736, DRL- 1031398"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000138","name":"U.S. Department of Education","doi-asserted-by":"publisher","award":["IES R305A120125, R305C100024, GAANN"],"award-info":[{"award-number":["IES R305A120125, R305C100024, GAANN"]}],"id":[{"id":"10.13039\/100000138","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2016,4,25]]},"DOI":"10.1145\/2883851.2883910","type":"proceedings-article","created":{"date-parts":[[2016,4,22]],"date-time":"2016-04-22T09:54:08Z","timestamp":1461318848000},"page":"454-458","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Enhancing the efficiency and reliability of group differentiation through partial credit"],"prefix":"10.1145","author":[{"given":"Yan","family":"Wang","sequence":"first","affiliation":[{"name":"Worcester Polytechnic Institute, Worcester, MA"}]},{"given":"Korinn","family":"Ostrow","sequence":"additional","affiliation":[{"name":"Worcester Polytechnic Institute, Worcester, MA"}]},{"given":"Joseph","family":"Beck","sequence":"additional","affiliation":[{"name":"Worcester Polytechnic Institute, Worcester, MA"}]},{"given":"Neil","family":"Heffernan","sequence":"additional","affiliation":[{"name":"Worcester Polytechnic Institute, Worcester, MA"}]}],"member":"320","published-online":{"date-parts":[[2016,4,25]]},"reference":[{"key":"e_1_3_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1177\/0013164409332231"},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01099821"},{"issue":"4","key":"e_1_3_2_1_3_1","first-page":"470","article-title":"The ASSISTments Ecosystem: Building a Platform that Brings Scientists and Teachers Together for Minimally Invasive Research on Human Learning and Teaching","volume":"24","author":"Heffernan N.","year":"2014","unstructured":"Heffernan, N. & Heffernan, C. (2014). The ASSISTments Ecosystem: Building a Platform that Brings Scientists and Teachers Together for Minimally Invasive Research on Human Learning and Teaching. Int J of AIED, 24(4), 470--497.","journal-title":"Int J of AIED"},{"key":"e_1_3_2_1_4_1","volume-title":"The Cambridge handbook of the learning sciences (61-78).","author":"Koedinger K. R.","year":"2006","unstructured":"Koedinger, K. R. & Corbett, A. T. (2006). Cognitive tutors: Technology bringing learning science to the classroom. In K. Sawyer (Ed.), The Cambridge handbook of the learning sciences (61-78). New York: Cambridge University Press."},{"volume-title":"a","year":"2013","key":"e_1_3_2_1_5_1","unstructured":"MATLAB version R. 2013. a (2013). Natick, Massachusetts: MathWorks, Inc. Accessible at www.mathworks.com"},{"key":"e_1_3_2_1_6_1","volume-title":"Santos, et al. (eds.) Proc of the 8th Int Conf on EDM, 404--407.","author":"Ostrow K.","year":"2015","unstructured":"Ostrow, K., Donnelly, C., & Heffernan, N. (2015). Optimizing Partial Credit Algorithms to Predict Student Performance. In Santos, et al. (eds.) Proc of the 8th Int Conf on EDM, 404--407."},{"key":"e_1_3_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/2724660.2724667"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-19773-9_34"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-13470-8_24"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.5555\/2021855.2021877"},{"key":"e_1_3_2_1_11_1","volume-title":"Data and Code for Enhancing the Efficiency and Reliability of Group Differentiation through Partial Credit: http:\/\/tiny.cc\/LAK2016-Resampling","author":"Wang Y.","year":"2015","unstructured":"Wang, Y. (2015). Data and Code for Enhancing the Efficiency and Reliability of Group Differentiation through Partial Credit: http:\/\/tiny.cc\/LAK2016-Resampling"},{"key":"e_1_3_2_1_12_1","volume-title":"Proc of the 24th Int FLAIRS Conf.","author":"Wang Y.","year":"2011","unstructured":"Wang, Y. & Heffernan, N. T. (2011). The \"Assistance\" Model: Leveraging How Many Hints and Attempts a Student Needs. In Proc of the 24th Int FLAIRS Conf."},{"key":"e_1_3_2_1_13_1","first-page":"181","article-title":"Extending Knowledge Tracing to Allow Partial Credit: Using Continuous versus Binary Nodes. In K. Yacef et al. (Eds.) AIED 2013","volume":"7926","author":"Wang Y.","year":"2013","unstructured":"Wang, Y. & Heffernan, N. (2013). Extending Knowledge Tracing to Allow Partial Credit: Using Continuous versus Binary Nodes. In K. Yacef et al. (Eds.) AIED 2013, LNAI 7926, 181--188.","journal-title":"LNAI"}],"event":{"name":"LAK '16: 6th International Conference on Learning Analytics and Knowledge","acronym":"LAK '16","location":"Edinburgh United Kingdom"},"container-title":["Proceedings of the Sixth International Conference on Learning Analytics &amp; Knowledge"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2883851.2883910","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2883851.2883910","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2883851.2883910","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T09:28:07Z","timestamp":1763458087000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2883851.2883910"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,4,25]]},"references-count":13,"alternative-id":["10.1145\/2883851.2883910","10.1145\/2883851"],"URL":"https:\/\/doi.org\/10.1145\/2883851.2883910","relation":{},"subject":[],"published":{"date-parts":[[2016,4,25]]},"assertion":[{"value":"2016-04-25","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}