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(2007a) have described a tangible model of self-assembly of a poliovirus capsid (see Figure 1B).
This correlates well with results by Rotbain and coworkers (2006), showing that a tangible model of DNA supported student learning about processes such as replication more than a pictorial representation depicting the same content.
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A classic example of such a tangible model, used in chemistry education since the beginning of the 20th century, is the representation of the atomic configuration of a molecule using balls and sticks or space-filling spheres (Petersen, 1970).
Based on this, a more tangible model of regret was developed, known as decision justification theory (DJT), which states that decision-related regret consists of two components.
Two different external representations were selected for this study, namely a tangible model and an image, both of which show the self-assembly of a virus capsid.
It's a full-power, voice-enabled scientific calculator with nearly all the functions of a tangible model.
Gabel and Sherwood (1980) propose that manipulation of a tangible model can enhance students' chemistry achievement in the long term, and Dori and Barak (2001) have found that using a combination of virtual and tangible models can enhance student understanding of molecular structures in learning chemistry and develop students' spatial abilities.
The differences in the impact of using two different external representations (a tangible model and an image) on learning about self-assembly in a group exercise were investigated using a true experiment design (Robson, 2002).
It was found that students revealed more improved understanding of DNA-related dynamic processes when using a tangible model.
Are there any differences in learning outcome between using a tangible model and an image in a group exercise?
A tangible example of this was demonstrated in patients beginning insulin.
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