Dudoc 160111 1

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Christian Bokhove

Refresh ,[object Object],[object Object],[object Object]

Algebraic expertise ,[object Object],[object Object],[object Object],[object Object]

Extension of Gestalt ,[object Object],[object Object],Bokhove, C., & Drijvers, P. (2010b). Symbol sense behavior in digital activities. For the Learning of Mathematics , 30 (3), 43-49. Gestalt view: pattern salience, local salience and strategic decision

Design research (Tessmer) 1st cycle 2nd cycle 3rd cycle

Prelim cycle: criteria for tools ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bokhove, C., & Drijvers, P. (2010). Digital tools for algebra education: criteria and evaluation. International Journal of Computers for Mathematical Learning, 15(1), 45-62. ( link )

1st cycle: 1-to-1s Qual. analysis (video, camtasia, atlas TI) Symbol Sense Quality of tool Feedback 6 multihour think-aloud 1-to-1 sessions with 17/18 year olds I want to know what’s going on in their minds

2nd cycle ,[object Object],[object Object],[object Object]

Design choices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bokhove, C. (2010). Implementing feedback in a digital tool for symbol sense. . International Journal for Technology in Mathematics Education . 17 (3)

Crises ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tentative conclusions ,[object Object],[object Object],[object Object]

3rd cycle ,[object Object],[object Object],[object Object],[object Object]

Data collection & analysis ,[object Object],[object Object],[object Object],[object Object],[object Object],Excel

Still to come ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Discussion ,[object Object],[object Object],[object Object],[object Object]

Selected references ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Dudoc 160111 1

1. Use of ICT for acquiring, practicing and assessing algebraic expertise Christian Bokhove [email_address] www.fi.uu.nl/~christianb Supervisors: Paul Drijvers and Jan van Maanen Dudoc 18-jan-2011

5. Design research (Tessmer) 1st cycle 2nd cycle 3rd cycle

7. 1st cycle: 1-to-1s Qual. analysis (video, camtasia, atlas TI) Symbol Sense Quality of tool Feedback 6 multihour think-aloud 1-to-1 sessions with 17/18 year olds I want to know what’s going on in their minds

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Dudoc 160111 1

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Dudoc 160111 1