Janice Hay March 5, 2019 behavior, preschool language, communicative function Is “No” a Behavior or Communication? Janice Hay March 5, 2019 behavior, preschool language, communicative function I love texting back and forth throughout the day or week with all of my mommy friends. It is our way to celebrate the little things, get advice, or just vent. A few weeks ago the text went something like this: