When my neighbor’s car is in the driveway, he always answers…

When my neighbor’s car is in the driveway, he always answers the door when I stop by to ask if he has some baking ingredients I am missing. If my neighbor’s wife’s car is in the driveway, when I knock on my neighbor’s door to ask for ingredients, she answers the door and lends me the ingredients about every third time. This is an example of a:

During recess, the principal provides social attention conti…

During recess, the principal provides social attention contingent on their students completing approximately 15 minutes of independent play. During lunchtime, the principal provides social attention for every 10 minutes their students conduct independent eating. This is an example of a:

When Gigi has a heavy workload, she often gives some of her…

When Gigi has a heavy workload, she often gives some of her tasks to her coworker when the coworker offers to help. Because Gigi’s workload has lightened recently, with only one task left for her to complete, she does not give that task to her coworker. This is an example of an: