A video caught a bus monitor, Karen Klein, being bullied by the children on a school bus. They taunted her with negative comments about her size, that she wore glasses, and other

A video caught a bus monitor, Karen Klein, being bullied by the children on a school bus. They taunted her with negative comments about her size, that she wore glasses, and other hurtful statements. Below is a YouTube video (with captioning) showing the bullying as it is occurring. Warning: This video may is disturbing with graphic words used by the children on the bus.
Many have asked, “Why would these children treat the bus monitor this way?” Please provide an explanation of the behavior of these children from each of the psychological perspectives listed below, as if you were a psychologist from each theoretical perspective. Please make sure to use key concepts for each perspective in your explanation.
YouTube link: https://youtu.be/ArV6TyRw_9s
How does Psychoanalytic theory, Behaviorism, Cognitive theory, Sociocultural theory, and Ecological systems relates to bully?
Make sure to list each concept as a bullet point (shown below) to ensure you are including 3 different concepts.
For example,
Psychoanalytic theory:
Concept 1 – explain concept and how it relates to the bullying situation.
Concept 2 – explain concept and how it relates to the bullying situation..
Concept 3 – explain concept and how it relates to the bullying situation.
Then, continue with the remaining perspectives in the same manner. It’s absolutely necessary to relate the concept to the situation on the bus. Only providing definitions of concepts from each perspective is not enough without some relation to why the children were bullying Karen. Both a definition of the concept and the relation to the situation are required.