Ms. Ericsson has been successful in reducing misbehavior this year in her classroom. She began the year by setting limits the students could understand and then worked with them to develop new self-regulation and metacognitive skills. She provides frequent, structured opportunities for them to communicate with her about school or other areas of concern. Ms. Ericsson most likely teaches:

a. fourth grade.
b. kindergarten.
c. eighth grade.
d. twelfth grade.