Which of the following is a recall-improving method aside from the Rule of 3?

• A. Increase lecture length
• B. Repetition
• C. Reduce student participation
• D. Avoid varied teaching modalities

Answer: (B)

The main idea here is how to boost recall through active practice. Repetition strengthens memory by repeatedly triggering retrieval of the information, which solidifies the memory traces and makes future recall more reliable. When information is revisited—through playful quizzing, flashcards, or spaced review—the brain builds stronger cues, so you can pull the knowledge back up more easily when needed. This is a core part of retrieval practice and spaced repetition, both proven to improve long-term recall.

In this context, repeating content across sessions or using quick, frequent retrieval checks is a straightforward, effective way to enhance recall beyond what a single exposure offers. The other options don’t provide the same direct benefit: simply making lectures longer can increase fatigue and diminish attention, reducing retention; reducing student participation cuts down on practice with retrieval; and avoiding varied teaching modalities reduces encoding diversity, which can actually hinder recall because information isn’t being encoded in multiple ways that aid later retrieval.