Editing Spatial Contiguity Principle (section)

==='''Circulation of Blood'''===

In the picture, both images show the circulation of blood through the heart. They together convey the concept of what the heart organs look like and the order in which blood goes through each organ in the heart. If it only has one representation, the learner will miss the opportunity and be unable to know either the structure of the heart or the workflow of the blood. 

The benefit of each separately is to clearly know the focus and the topic of the representation. The benefit of both together is that the right image of the heart helps the learner to better understand the flow of blood in the left image. The learner can construct the mental image of how the blood goes into an actual heart and comprehend the knowledge. It uses the duo-coding theory to provide both verbal and non-verbal information from sensories into learners’ memory, which leads a higher learning efficiency.

The problem with having both representations is a lack of spatial contiguity. The order phrases are connected with the arrows but are not linked with the image together, which causes an extraneous load for the learner to encode the knowledge.