Structuring and modules for knowledge bases: Motivation for a new model
Antoniou, Grigoris ; Wachsmuth, Ipke ; Brezillon, Patrick (Ed.) ; Stefanuk, Vadim (Ed.)1993Research problems in mathematics education - III
Behr, Merlyn J. ; Bernard, John ; Briars, Diane ; Bright, George W. ; Threadgill-Sowder, Judy ; Wachsmuth, IpkeIn: For the learning of mathematics, Vol. 4 Issue 3, page 22-231984Number line representations of fractions
Behr, Merlyn J. ; Bright, George W. ; Wachsmuth, Ipke ; Wagner, Sigrid (Ed.)1982Tasks to assess children's perception of the size of a fraction
Behr, Merlyn J. ; Post, Thomas R. ; Wachsmuth, Ipke ; Bell, Alan (Ed.)1984Estimation and children's concept of rational number size
Behr, Merlyn J. ; Post, Thomas R. ; Wachsmuth, Ipke ; Schoen, Harold L. (Ed.)In: Estimation and mental computation, Vol. 1986, page 103-1111986Rational number learning aids: transfer from continuous models to discrete models
Behr, Merlyn J. ; Wachsmuth, Ipke ; Post, ThomasIn: Focus on learning problems in mathematics, Vol. 10 Issue 4, page 1-181988Construct a sum: a measure of children's understanding of fraction size
Behr, Merlyn J. ; Wachsmuth, Ipke ; Post, Thomas R.In: Journal for research in mathematics education, Vol. 16 Issue 2, page 120-1311985On children's quantitative concept of rational number: construct and estimate the sum
Behr, Merlyn J. ; Wachsmuth, Ipke ; Post, Thomas R. ; Bergeron, Jacques C. (Ed.) ; Herscovic, Nicolas (Ed.)In: Proceedings of the fifth annual meeting: Montréal Sept. 29 - Oct. 1, 1983 = actes de la cinquième rencontre annuelle / PME-NA, North American Chapter of the International Group for the Psychology of Mathematics Education, Vol. vol. 2, page 272-2791983Order and equivalence of rational numbers: a clinical teaching experiment
Behr, Merlyn J. ; Wachsmuth, Ipke ; Post, Thomas R. ; Lesh, RichardIn: Journal for research in mathematics education, Vol. 15 Issue 5, page 323-3411984Turning the plates: size perception of rational numbers among 9- and 10-year old children
Behr, Merlyn J. ; Wachsmuth, Ipke ; Vermandel, Alfred (Ed.)1982Identifying fractions on number lines
Bright, George W. ; Behr, Merlyn J. ; Post, Thomas R. ; Wachsmuth, IpkeIn: Journal for research in mathematics education, Vol. 19 Issue 3, page 215-2321988Audio-visual interaction with noise pollution data
Börner, Katy ; Wachsmuth, Ipke ; Fehr, Rainer ; Göbel, Martin (Ed.) ; Lang, Ulrich (Ed.) ; Landauer, Jürgen (Ed.) ; Wapler, Matthias (Ed.)1998HYPERCON: Ein Konsultationssystem zur Hypertonie auf der Basis modular organisierter Wissensbestände
Heller, Barbara ; Meyer-Fujara, Josef ; Schlegelmilch, Sonja ; Wachsmuth, Ipke ; Barth, G. (Ed.) ; Günter, A. (Ed.) ; Neumann, B. (Ed.)1994Object recognition with shape prototypes in a 3D construction scenario
Hoffhenke, Martin ; Wachsmuth, Ipke ; Burgard, Wolfram (Ed.) ; Christaller, Thomas (Ed.) ; Cremers, Armin B. (Ed.)1999Multimodale Interaktion mit einem System zur Virtuellen Konstruktion
Latoschik, Marc Erich ; Jung, Bernhard ; Wachsmuth, Ipke ; Beiersdörfer, Kurt (Ed.) ; Engels, Gregor (Ed.) ; Schäfer, Wilhelm (Ed.)1999Ein contract-net-basiertes Lernverfahren für eine benutzeradaptive Interface-Agentur (Abstract)
Lenzmann, Britta ; Wachsmuth, Ipke ; Thielscher, Michael (Ed.) ; Bornscheuer, Sven-Erik (Ed.)1996Eine multimodale Eingabeagentur
Lenzmann, Britta ; Wachsmuth, Ipke ; Thielscher, Michael (Ed.) ; Bornscheuer, Sven-Erik (Ed.)1996Selected results from the rational number project
Post, Thomas R. ; Behr, Merlyn J. ; Lesh, Richard ; Wachsmuth, Ipke ; Streefland, Leen (Ed.)In: Proceedings of the Ninth International Conference for the Psychology of Mathematics Education, Vol. vol. 1: Individual contributions, page 342-3511985Order and equivalence of rational numbers: a cognitive analysis
Post, Thomas R. ; Wachsmuth, Ipke ; Lesh, Richard ; Behr, Merlyn J.In: Journal for research in mathematics education, Vol. 16 Issue 1, page 18-361985Textunderstanding in LILOG - sorts and reference objects
Rollinger, Claus-Rainer ; Studer, Rudi ; Uszkoreit, Hans ; Wachsmuth, Ipke ; Brauer, Wilfried (Ed.)In: Wissensbasierte Systeme: 2. Internationaler GI-Kongreß, München, 20./21. Okt. 1987, Vol. 155, page 246-2591987