निम्नलिखित में से कौन सा थॉर्नडाइक के अधिगम (सीखने) के प्राथमिक नियमों में से एक है?

Learning can be significantly enriched in a classroom environment if:

In a learning situation, presenting relevant facts separately from non-relevant facts is indicative of which Thorndike's subordinate principle of learning?

Students should be given the opportunity for self-learning. This is in accordance with which of the following principles of Thorndike?