Romanis offers a third path: Her models provide the vocabulary for teachers to say, "This lesson is stuck in TTL-Augmentation; we need to jump to Modification."
Understanding TTL Models: A Guide to Transistor-Transistor Logic
This is the essence of Romanis’ philosophy: michelle romanis ttl models
Before dissecting the models, it is crucial to understand the theorist behind them. Michelle Romanis is a respected voice in educational technology and curriculum design. Her work focuses on the synthesis of Technological Pedagogical Content Knowledge (TPACK) and the Substitution Augmentation Modification Redefinition (SAMR) model, but with a critical twist:
Traditional models (e.g., SAMR – Substitution, Augmentation, Modification, Redefinition) describe what technology does to a task. Romanis’ TTL models address how a teacher thinks through technology selection. They arose from observed failures of “tech-first” initiatives where interactive whiteboards, tablets, or LMS platforms were underutilized because teachers lacked a decision-making framework. Romanis offers a third path: Her models provide
Unlike singular taxonomies (such as Bloom’s Digital Taxonomy or SAMR), the Michelle Romanis TTL models are actually a suite of three interconnected frameworks. Romanis argues that no single model fits all contexts; instead, educators should oscillate between three distinct lenses depending on their objectives.
This is the most famous of the Michelle Romanis TTL models. The PCM rejects the linear "plan, do, review" cycle. Instead, it envisions a circuit board where . Romanis’ TTL models address how a teacher thinks
Romanis argues that you cannot change the TT without adjusting the PS and the LR. If you swap a physical whiteboard (TT) for an AI chat bot (TT), the Pedagogical Strategy must shift from "lecture" to "dialogue," and the Learner Response shifts from "note-taking" to "prompt engineering."
To truly understand the power of the , consider a real-world example from a Grade 9 Geography class studying climate change.
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