Here's a simple rule of thumb that you may have heard before.
Maintaining a 3:1 ratio of positive to negative interactions positively changes the attitudes and climate of your classroom.
Click Here for a great YouTube video explaining what positive interactions may look like.
The ratio of 10:1 for children of trauma is not research based, but I have seen a tremendous shift in attitude of my students when I am mindful of my interactions.
Be sure to keep track of your negative interactions and counter them. Write your class list on chart paper and attach on a clip board for easy access. Simply chart +/- ratios.