Two years ago, the de castellane manufacturing company included its employees in a profit-sharing plan in which workers receive semi-annual bonuses based on the company's profits. since this plan was initiated, worker productivity at de castellane has nearly doubled. this productivity increase is best explained in terms of.

Operant conditioning

Explanation:  Operant conditioning or instrumental conditioning is a learning process through which reward or punishment changes the intensity of an action. It is also a termed as a practice used to making such learning take place.

Although both operative and classical conditioning involve environmental stimulus-controlled behaviors, they differ in essence. In operant conditioning, triggers tend to regulate this action when a behavior is rewarded or punished.

       Hence profit sharing worked as an incentive for the employees within leading to high returns.

A middleman

Explanation:

A middle man in trade is a person that is willing to make negotiations between people that are not willing to meet themselves. They go the extra mile to purchase goods and make them available to customers that have need of them.

In the given scenario Tabrizi shops the world over, handpicks, and orders beautiful, authentic handmade rugs. He has them shipped to Canada, where he sells them through his brick-and-mortar stores and his www.tabrizi website.

Clients in Canada are not able to travel to far places to purchase rugs so he steps in to this role and obtains rugs for his local clients.