Uma is part of the training and development department of an organization. Her role is to evaluate the effectiveness of the recent leadership development programs that the company conducted for its employees. Of the several ways to evaluate such programs, Uma wants to use the most timely and accurate method. Which of the following methods should she use? a. She should compare the financial results of participants versus nonparticipants. b. She should monitor the change in the participants' behavior after the programs. c. She should compare a participant's monthly salary to the cost of the programs