A nonnormative life event is an unusual occurrence that has a major influence on a person's life and may not occur for other people at the same time.
Non-normative life events are any significant, unforeseen, or unanticipated happenings that a person may go through that do not follow the developmental life cycle pattern. According to Paul Battes' life span approach, human behaviour is highly influenced by dynamic developmental processes, including sociocultural, historical, biological, and even psychological variables that are present from conception to death. The ideology also gave attention to the predominate developmental psychology, which examined people and how sociocultural factors affected their lives. The social interactions a person has with their environment are influenced by developmental variables. These factors include normative age-graded factors, normative history-graded factors, and non-normative factors.
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