Programmed instruction (PI) was devised to make the teaching-learning process more humane by making it more effective and customized to individual differences. B.F. Skinner's original prescription was modified by later innovators to incorporate more human interaction, social reinforcers and other forms of feedback, larger and more flexible chunks…

Introducing new software to students can be done effectively if teachers provide a brief introduction; show a finished project; build a chunk of the finished product; give student pairs the steps to complete their own chunk and coach as needed; and give students a computer-based tutorial, guiding them through the same procedure. (PEN)