if you have participated in an environment in which something like gold stars were given for appropriate behavior, and a certain number of gold stars earned something like an ice cream treat, you have been involved in a

A token economy compensates great conduct with tokens that can be traded for something wanted. A token can be a chip, coin, star, sticker, or something that can be traded for what the subject needs to purchase. Instructors give understudies a token when their conduct coordinates the targeted conduct.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )