Which of the Following Did Thomas Sergiovanni Conclude from His

Which of the following did Thomas Sergiovanni conclude from his studies of motivation? Select all that apply.

A) Older teachers were more concerned about self-esteem.
B) Younger teachers were more concerned about safety and security.
C) Teachers are generally ready to respond to higher-order needs.
D) Salary and benefits increases are highly motivating.
E) As older teachers approach retirement, they become more concerned about lower order needs.