Teachers play a large role in determining whether or not the classroom climate experienced by students is positive, especially through their visible emotional behaviors (i.e., neutral, positive, and negative emotional expressions). Research suggests that teachers make specific contributions to the classroom emotional climate in actions such as…

This nonexperimental, longitudinal field study examines the extent to which variation in observed classroom supports (quality of emotional and instructional interactions and amount of exposure to literacy and math activities) predicts trajectories of achievement in reading and math from 54 months to fifth grade. Growth mixture modeling detected…