Super Burger is preparing a training program to teach employees how to operate its new milkshake-making system. When the training is complete, which method would be the most effective way to measure whether employees have acquired skills in using the system?

Assessment> having supervisors or trainers observe employees using the system

Explanation:

Using a performance appraisal system where the supervisors (line manager) or trainers will observe employees using the system and score them base on their performances.

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;