An ________________________ is a situation where two or more people, __________________, _____________________, or ________________ have an effect or ______________________ on one another. (p 2)
An interpersonal interaction is a situation where two or more people, individuals, groups, or organizations have an effect or influence on one another.
An interactive system is a situation where two or more people, organizations, entities, or phenomena have an effect or influence on one another.