The arrangement of subject matter based on the principles of psychology is known asAPsychological approachBLogical approachCUnit approachDTopic approachAnswer: A. Psychological approach Read Explanation: The arrangement of subject matter based on the principles of psychology is known as psychological approach.In this approach, the criterion for inclusion of an item in the curriculum will be the psychological needs, requirements, potentials, capacities .In other words this approach is in tune with the principle of child- centeredness. Read more in App