Behavior has meaning for the individual, as well as, meaning attached by someone externally.
Behavior serves a function for each individual.
Behavior is related to specific antecedents or preliminary events and consequences in the immediate environment.
Behavior may be affected by conditions other than immediate antecedents and consequences.
Behavior may be related to causes such as having a stomach ache, being tired, or basic personality.
Behavior may serve a function for each individual.
Challenging behavior may be the result of a skill deficit.
Challenging behavior may be the result of a person's feelings.