[4][5] Later, Wilbur Schramm introduced a model that identified multiple variables in communication which includes the transmitter, encoding, media, decoding, and receiver.

[7] The components of Berlo's SMCR Model consist of the following: communication skills, attitude, knowledge, and social systems.

[11]: 327  Some controversial suggestions from Berlo were an added fee for on-campus health services and a family planning center.

[11]: 329  Berlo's actions regarding who made decisions and the amount of power held by the Academic Senate, faculty members, and students who had been fighting for more power on campus upset all of these groups, and made them feel as if Berlo was ignoring the ISU Constitution and the Academic Senate (Champagne 99).

[11]: 330  It was discovered that the charges told to the Board were not entirely correct, and the building of the residence was much more expensive than previously estimated or approved.

[11]: 331  An independent audit found that the house cost over $80,000 over its approved budget, and since he was the president of the university, Berlo ultimately took the fall for this.

[11]: 330  There were also other costs from Berlo that were criticized, such as his food arrangement with a dining center and his liquor bills, which were mildly controversial due to Normal being a dry town.