A company is onboarding new employees and wants a presentation that retains information after 30 days. Which technique best improves long-term retention?
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A
A single 3-hour information-dense session
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B
Spaced repetition with short follow-up quizzes at days 7, 14, and 30
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C
Reading materials instead of any live presentation
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D
Encouraging employees to take notes during a single session