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- spacing effect > massed practice (Ebbinghaus) - testing effect stronger than re-reading Roediger & Karpicke 2006 - students misjudge own learning. fluency illusion - cognitive load theory (sweller) — intrinsic vs extraneous reduce extraneous load in instructional design
## Effective Study Strategies
The spacing effect demonstrates that distributed practice reliably outperforms massed practice, a finding rooted in Ebbinghaus's foundational work on the forgetting curve. Retrieval practice further strengthens retention more effectively than repeated re-reading, as established by Roediger and Karpicke.
## Metacognition and Cognitive Load
Students consistently misjudge the quality of their own learning, mistaking the ease of re-reading for genuine understanding — a phenomenon known as the fluency illusion. Cognitive load theory offers a complementary lens, distinguishing intrinsic from extraneous load and arguing that effective instructional design should minimize the latter.
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