From the question, we are informed that Sarah has decided to increase her workouts and decided that for every day she works out for 60 minutes or more, she will allow herself a special splurge on something during the day. This is an example of operant conditioning.
Operant conditioning can also be called sometimes instrumental conditioning. This is a method of learning whereby there's a particular rewards or punishment for the behavior of the individual. It is different from classic conditional whereby the mind of the subject has to be stimulated before a response is gotten.
While operant conditioning had to do with voluntary behavior, classical conditioning has to do with an involuntary response and a stimulus.
In January 2009, as the school was closing for winter holiday she wrote: "The girls were not too excited about vacations because they knew if the Taliban implemented their edict [banning girls' education] they would not be able to come to school again.
A good editorial should express an opinion without being opinionated. It should teach without being pedagogic. It should transform without being evangelical. It should engulf without drowning.
