__________ व्यवहार क्षमता में एक अपेक्षाकृत स्थायी परिवर्तन है जो सुदृढ़ अभ्यास के परिणामस्वरूप होता है।

A teacher recognising diverse learning styles in her class is applying which of the following approaches?

Assertion (A): Skinner's Programmed Instruction is based on the principles of operant conditioning including immediate reinforcement and small steps. Reason (R): Programmed Instruction allows learners to progress at their own pace and receive immediate feedback on responses.