1. Programmed instruction is an individualized teaching strategy developed in the 1950s based on behavioral psychology principles. It breaks content into small sequential steps with frequent questions and immediate feedback.
2. There are two main styles of programmed instruction - linear and branching. Linear programming follows a fixed sequence, while branching includes remedial frames for incorrect answers.
3. The advantages of programmed instruction include individualization, self-pacing, motivation of students, and effective instruction based on psychological principles. It can be used for self-instruction, distance education, and non-formal education.