Professor Econsmart teaches a course in principles of economics at a large university. This semester

Professor Econsmart teaches a course in principles of economics at a large university. This semester he has decided to enrich his lectures by adding a number of different techniques in addition to the standard lecture format; some of these techniques include: asking students to prepare a topic at home and present it in class, using simulations and “games” to show specific issues and ideas, employing social media, assigning group work and projects, using case studies and real world applications, inviting guest lecturers, brainstorming and many others. Most of these ancillary teaching
Professor Econsmart teaches a course in principles of economics at a large university. This semester he has decided to enrich his lectures by adding a number of different techniques in addition to the standard lecture format; some of these techniques include: asking students to prepare a topic at home and present it in class, using simulations and “games” to show specific issues and ideas, employing social media, assigning group work and projects, using case studies and real world applications, inviting guest lecturers, brainstorming and many others. Most of these ancillary teaching techniques are not on the teaching “menu” weekly but rather are interspersed at various times of the course in staggered intervals. Why do you think that Professor Econsmart might be using these ancillary teaching methods in this fashion?