Who and when developed the computer based teaching model

Option: C
Explanation :The computer based teaching model has been developed by Robert Gagne in 1965. He was and educational psychologist. He created nine event of instruction steps which are the following:-

i. Reception

ii. Expectancy

iii. Retrieval

iv. Selective Perception

v. Semantic Encoding

vi. Responding

vii. Reinforcement

viii. Assessing Performance

ix. Generalization

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