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Answer: Highlighting text
Why: Glowing text creates an illusion of competence because reading feels easy without forcing your brain to process meaning.
Answer: SQ3R
Why: Francis P. Robinson introduced SQ3R in his 1941 guide Effective Study; its Recite step means saying what you just read aloud, in your own words.
Answer: About 50%
Why: Ebbinghaus measured this on himself with lists of nonsense syllables, and roughly 42 percent was already gone after just 20 minutes.
Answer: Elaborative interrogation
Why: Forcing yourself to justify why facts are true integrates new information directly into your existing mental models.
Answer: Pareto Principle
Why: Vilfredo Pareto found in 1896 that 20 percent of Italians owned 80 percent of the land; Joseph Juran later named the 80/20 rule after him.
Answer: Cognitive load
Why: John Sweller built cognitive load theory in 1988 after finding novices learn more from worked examples than from solving problems.