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Reasoning from data: How students collect and interpret data in scientific investigations

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12:00 – 13:00 15 Feb 2011
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Dublin Institute of Technology

Speakers: Prof. Robin Millar

Studies of the ideas and understandings that school students draw upon when collecting and analysing data in open-ended practical science investigations indicate that many students hold a rather unsophisticated view of numerical data, and have difficulty in evaluating the accuracy of measurements and in dealing with the inherent variability of repeated measurements of a quantity. This talk will use data from two research studies that looked in depth at how students of lower secondary school age tackled simple investigations of the effect of one variable on another, and interpreted the results they obtained. By comparing situations where the variables covary with others where they do not, these studies highlight the need for an adequate understanding of measurement uncertainty, and suggest that more exposure to situations of non-covariation could help to improve students’ understanding of data and their performance of science investigations.

Event type: Lecture/Talk
Organised by: IOP Ireland
Contact details: Dr. Fran Pedreschi
Email: fran.pedreschi@dit.ie

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Dublin Institute of Technology
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12:00 – 13:00 15 Feb 2011
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