The studies also found reductions in stress and improvements in quality classroom interactions.

研究还发现，压力减轻了，课堂互动质量也提高了。

For example, in the MBA schools, the students are expected to do a lot of project work, so the professors may not be as involved in directing classroom interaction.

例如，在MBA学校，学生需要做大量的项目工作，因此教授们可能没有参与指导课堂互动。