Which reinforcement technique is Jennifer using if she refrains from laughing at Matt's jokes when they have important matters to discuss?

The project manager role and responsibility that communicates with company executives, functional managers, peers, and subordinates; meets schedules, solves problems, and achieves project scope and objectives is the

A) administrator role. B) consultant role. C) coordinator role. D) supervisor role.

A stock's alpha is equal to

A) expected return - required return. B) required return - expected return. C) current return + future return. D) future return - current return.