When your baby smiles and you smile back (reinforcement), or when you say "hot" and your toddler avoids the stove (aversive conditioning), you are using behavioral science.

Turn mundane cues into triggers for calm or cooperation.

Catch them being good. Reinforce that. The tantrums will fade, the chores will get done, and the lullaby will always bring peace. Disclaimer: This article is for informational purposes. For severe behavioral issues or developmental concerns, consult a pediatrician or child psychologist.