Interactions between the child's microsystem relationships (parent-teacher conferences) 

Arizona State University

Theory that there are multiple different levels to a child's development 
- Microsystem 
- Mesosystem 
- Exosystem 
- Macrosystem 
- Chronosystem 

Brofenbrenner's Ecological System Theory 

Things in the child's environment that they have direct contact with (parents, siblings, teachers) 

Incorporates aspects of the environment which indirectly affect the child's microsystem (parent's job, neighborhood)

Focuses on cultural elements that can affects a child's development (ethnicity, socioeconomic class, wealth)

Includes major life changes that can affect child's development (starting school, moving to a new house) 