In This episode we discover the the theory of Cognitive load :
The cognitive load construct refers to the load placed on working memory by a range of cognitive processes, including comprehension, schema construction, schema automation, and problem solving. When working memory is overloaded by the competing demands of these processes, CLT argues, student learning is impaired.
1. Intrinsic load. This is often described as the inherent difficulty of the subject matter. Think of it as the RAM requirement for a piece of software, like a web-browser or a word processor. It is generally considered fixed; an instructional designer cannot change the intrinsic load.
2. Extraneous load. This is the portion of memory that is taken up by processes not related to learning at all. This is equivalent to the memory used by all the hidden programs running in the background in your system tray. Instructional design strategies should aim to reduce extraneous load as much as possible. We need to free up memory by closing programs we aren’t using so that the memory can be used to install new learning as efficiently as possible.
3. Germane load. This is the portion of the memory devoted to integrating new information, the creation and modification of schema (Sweller, van Merriënboer, & Paas, 1998). Germane load is similar to the memory usage of your computer while it’s actually installing your programs. Instructional design strategies should increase this type of load, as this will help increase the amount of memory devoted to integrating new information into your learner’s systems. The more memory you can devote, the more efficiently you can install the content.
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To manage and maintain the the conversations with an understanding of cognitive load will improve your effectiveness as a communicator.
The UC Moment is that you need to see the cognitive load as a bucket. If its overflowing than information will be lost. Manage your bucket and the bucket of others to more effective and successful.
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