T2W2 TS Q22 – Selective High School

A teacher believes that allowing students to discuss problems in small groups will improve their understanding of difficult concepts, because students can explain ideas to one another in different ways.

Which one of these statements, if true, most strengthens the argument above?

Group discussions can sometimes take longer than individual work. Teachers can also explain concepts clearly during lessons. Students who explain concepts to others often develop a deeper understanding themselves Some students prefer working independently rather than in groups.

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Which one of these statements, if true, most strengthens the argument above?