डेविड और रोजर जॉनसन के अनुसार, निम्नलिखित में से कौन सा सहकारी अधिगम (cooperative learning) समूह का एक मुख्य तत्व है?

Brainstorming is primarily used as an instructional technique to promote:

Which of the following factors influencing teaching is directly related to teacher-student classroom interaction rather than instructional facilities or physical environment?