If students earn 100% on their midweek spelling pretest they do not have to take the final test on Friday. There are now more students earning a 100% on their pretest than before.

When 100% of students turn in their homework, the teacher places a marble in the class jar. When the jar is full, the class earns a party. More students are now submitting their work on time.

When Don begins working immediately after the teacher direction, the teacher pats him on the back and verbally praises him loud enough so others can hear. It is now taking Don longer and longer to start working after the teacher direction.

Jack doesn't want to complete his math. Everytime a math assignment is given, he says that the work is too hard so his teacher sits by him and helps him through each problem. Jack complains everytime he is asked to complete math.

Mr. Johnson told his class that if they are good for the substitute teacher, they can earn an extra recess when he returns. The class worked hard and behaved for the substitute.

Ms. Hoyer places a tally mark on the board when each table group is following expectations. At the end of the day, the table group with the most tally marks earns a ticket which can be saved or used to purchase a reward. Students are now following expectations more than before.

When a student in class talks out, Mr. James requires the student to stay in during recess and write sentences such as "I waill raise my hand before talking." Students' talking out behavior decreased.

Sally is sent to the principal's office every time she refuses to go to her seat. Her refusal behaviors have increased.

You put on sunscreen to keep from getting a sunburn. Since you didn't get sunburned you now put on sunscreen everytime you go into the sun.