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As we studied these models this week, I couldn't help to think that these models are only successful in driving 21st Century Learning forward when educators already have a strong pedagogical focus. I found an article,

Forget SAMR, RAT or TPAK, Technology Integration Is About WHY, about a focus on the why of your instruction leading to more successful implementation of whatever models.

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Bloom's levels should be understood and used in conjunction with TPACK/SAMR models.

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Updated TPACK Model from Mark Anderson's article,

Technological, Pedagogical And Content Knowledge.

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An educator should strive for the top two tiers of technology integration when the why of your lesson warrants it.