Chronosystem This system encompasses thedimen. of Time (time effect) as it relates to a child's environments. Elements within this system can be either externa, such as the timing of, a Darent's cleath physiological changes that occur with the aging of a child. As children get or_Tnterna) such as the (174) older, they may react differently to environmental changes and may be more able to determine how that change would influence them. P For example, the "history" of relationships in families may explain more about parent-child relations than is evident in existing Lerner, 1992). Another example the powerful influence that historical influences in the macrosystem have on how families can respond to different stressors. total TED 7