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Students' reasoning about one-object stochastic phenomena in an ICT-environment
Nord-Trøndelag University College, Røstad, Levanger, Norway; Agder University College, Kristiansand, Norway.
Växjö universitet, Matematiska och systemtekniska institutionen, Växjö, Sweden.
2007 (Engelska)Ingår i: International Journal of Computers for Mathematical Learning, ISSN 1382-3892, E-ISSN 1573-1766, Vol. 12, nr 2, s. 113-133Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This paper focuses on the different ways in which students in lower secondary school (14–16 year olds) experience compound random events, presented to them in the form of combined junctions. A carefully designed ICT environment was developed enabling the students to interact with different representations of such structures. Data for the analysis was gathered from two interview sessions. The analysis of the interaction is based on constructivist principles on learning; i.e. we adopted a student-oriented perspective, taking into consideration the different ways students try to make sense of chance encounters.

Our results show how some students give priority to geometrical and physical concerns, and we discuss how seeking causal explanations of random phenomena may have encouraged this. With respect to numerically oriented models a division strategy appears to stand out as the preferred one.

Ort, förlag, år, upplaga, sidor
2007. Vol. 12, nr 2, s. 113-133
Nyckelord [en]
Compound events; Computer simulation; Contextualization; Probabilistic reasoning; Stochastic phenomena
Nationell ämneskategori
Didaktik Matematik
Forskningsämne
Matematik, Matematikdidaktik
Identifikatorer
URN: urn:nbn:se:oru:diva-43103DOI: 10.1007/s10758-007-9116-0Scopus ID: 2-s2.0-34547683661OAI: oai:DiVA.org:oru-43103DiVA, id: diva2:794473
Tillgänglig från: 2007-10-24 Skapad: 2015-02-28 Senast uppdaterad: 2017-12-04Bibliografiskt granskad

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