medium · SAT Reading & Writing

Educational psychologist Dr. Vera Chen hypothesized that collaborative learning environments improve students' individual problem-solving skills more than solo study. She argued that the act of explaining concepts to peers during training forces students to internalize the material more deeply.

Which finding, if true, would most directly support Chen's hypothesis?

Students who worked in small groups during a training period performed significantly better on subsequent solo exams than students who had trained alone.
The study found that group sessions took an average of thirty minutes longer than individual study sessions to cover the same amount of material.
Participants in group sessions reported that they enjoyed the learning process more and felt less frustrated than those who studied by themselves.
Group members often disagreed on the correct approach to the problems, which occasionally led to confusion and slower progress toward the final solution.

Which finding, if true, would most directly support Chen's hypothesis?

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