Specific normative events are also called developmental milestones.
Answer: developmental milestones
<u>Explanation:
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Certain events that occur during a human's lifetime are termed as milestones. It is because these events take place for the first time in the human being's life.
And, mark the beginning of a new ability, a new action that the human can perform then onward. Since there is a development of a new ability/skill with that event, the event is called a developmental milestone.