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Université de Fribourg

Science text comprehension: Drawing, main idea selection, and summarizing as learning strategies

Leopold, Claudia ; Leutner, Detlev

In: Learning and Instruction, 2012, vol. 22, no. 1, p. 16-26

The purpose of two experiments was to contrast instructions to generate drawings with two text-focused strategies—main idea selection (Exp. 1) and summarization (Exp. 2)— and to examine whether these strategies could help students learn from a chemistry science text. Both experiments followed a 2 × 2 design, with drawing strategy instructions (yes vs. no) and main idea/summarization...

Université de Fribourg

Make a drawing. Effects of strategic knowledge, drawing accuracy, and type of drawing on students’ mathematical modelling performance

Rellensmann, Johanna ; Schukajlow, Stanislaw ; Leopold, Claudia

In: Educational Studies in Mathematics, 2016, vol. 95, no. 1, p. 53-78

Drawing strategies are widely used as a powerful tool for promoting students’ learning and problem solving. In this article, we report the results of an inferential mediation analysis that was applied to investigate the roles that strategic knowledge about drawing and the accuracy of different types of drawings play in mathematical modelling performance. Sixty-one students were asked to...

Università della Svizzera italiana

Change-centric improvement of team collaboration

Hattori, Lile Palma ; Lanza, Michele (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2012 ; 2012INFO002.

In software development, teamwork is essential to the successful delivery of a final product. The software industry has historically built software utilizing development teams that share the workplace. Process models, tools, and methodologies have been enhanced to support the development of software in a collocated setting. However, since the dawn of the 21st century, this scenario has begun...

Università della Svizzera italiana

Of change and software

Robbes, Romain ; Lanza, Michele (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2008 ; 2008INFO004.

Software changes. Any long-lived software system has maintenance costs dominating its initial development costs as it is adapted to new or changing requirements. Systems on which such continuous changes are performed inevitably decay, making each maintenance task harder. This problem is not new: The software evolution research community has been tackling it for more than two decades. However,...

Università della Svizzera italiana

Visual strategizing : the systematic use of visualization in the strategy process

Eppler, Martin J. ; Platts, Ken ; Kazancioglu, Emre

In this article, we examine the use of visual representations for the business strategy process (from strategic analysis and strategy development to strategic planning and implementation). Starting with a review of literature, we show that visualization can address many of the cognitive, social, and emotional challenges of the strategy process, if visualization is understood as a participatory...