What is one of the most widely used techniques to determine infants' normative standing? it includes 27 separate categories of responses that constitute 4 general aspects of infants' behavior?

the answer is: The Neonatal Behavioral Assessment Scale which was developed by Dr. T. Berry Brazelton and  is regarded as the most complete examination of newborn behavior .  It is also described as a neurobehavioral assessment scale, designed to describe the infants' responses to their new extrauterine environment and to document the contribution of the babies to the development of the emerging parent-child relationship.  

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