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shirinnyy shirinnyy
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6 years ago
After birth, a crying infant may be soothed by being held in a position in which he/she can hear the mother's heartbeat. This phenomenon is known as:
 
  1. entrainment.
  2. reciprocity.
  3. synchrony.
  4. biorhythmicity.
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Robert_271998Robert_271998
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6 years ago
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