Constructing Representations to Learn in Science by Russell Tytler, Vaughan Prain, Peter Hubber

By Russell Tytler, Vaughan Prain, Peter Hubber

Present study into pupil studying in technology has shifted consciousness from the conventional cognitivist views of conceptual switch to socio-cultural and semiotic views that represent studying when it comes to induction into disciplinary literacy practices. This booklet builds on contemporary curiosity within the position of representations in studying to argue for a pedagogical perform in response to scholars actively producing and exploring representations. The booklet describes a sustained inquiry within which the authors labored with basic and secondary academics of technology, on key issues identifi ed as troublesome within the study literature. info from school room video, instructor interviews and pupil artifacts have been used to increase and validate a suite of pedagogical rules and discover scholar studying and instructor switch concerns. The authors argue the theoretical and sensible case for a representational concentration. The pedagogical strategy is illustrated and explored when it comes to the position of illustration to aid caliber scholar studying in technology. Separate chapters deal with the consequences of this angle and perform for structuring sequences round diversified innovations, reasoning and inquiry in technology, versions and version established reasoning, the character of techniques and studying, instructor swap, and overview. The authors argue that this representational concentration ends up in considerably greater pupil studying, and has the impact of delivering new and efficient views and ways for a couple of modern strands of considering in technological know-how schooling together with conceptual switch, inquiry, scientifi c literacy, and attention at the epistemic nature of technology.

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All rights reserved. R. TYTLER, P. HUBBER, V. PRAIN & B. WALDRIP further than emphasising representational interpretation, to advocate representational construction, negotiation and evaluation in authentic settings, in order to more deeply engage students in the knowledge building practices of science. Chapter 2 described the early exploration of these principles in classroom settings (Carolan, Prain & Waldrip, 2008; Waldrip, Carolan & Prain, 2010). Through this work we became convinced of their potential to engage students in quality learning.

In the spaces between atoms of an object there is air. In this and an astronomy unit a measure of the improvement in student knowledge over the teaching sequence has been attempted, using a ‘normalised gain index’, , previously used in other studies using identical multiple choice pre- and post-tests (Hubber 2010). is the ratio of the actual average student gain to the maximum possible average gain: = (post% - pre%) / (100 - pre%), reported by Zeilik, Schau, & Mattern (1999). Gain index values can range from 0 (no gain achieved) to 1 (all possible gain achieved).

The force arrow convention was felt to be central to the representational conventions associated with problem-solving in this area. The initial lessons in the sequence thus focused on the explorations of representations and learning of the scientific conventions of representing forces. As we have described elsewhere (Hubber, Tytler & Haslam, 2010), the idea that force arrows is a negotiable convention, capable of flexible use, and that there is no absolute ‘right’ or ‘wrong’ convention to describe force, was an empowering realisation for these teachers.

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