निम्नलिखित में से कौन सा आमतौर पर एक सकारात्मक सुदृढ़क (धनात्मक पुनर्बलक) के रूप में कार्य नहीं करता है?

The Socio-cultural theory of learning was proposed by:

Which of the following concepts is the opposite of Stimulus Generalisation?

Which of the following approaches is foundational as far as experiential learning in education is concerned?