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Table 1 Order of research assessments during each visit

From: Fathers today: design of a randomized controlled trial examining the role of oxytocin and vasopressin in behavioral and neural responses to infant signals

1. Hormonal measures - saliva measurement
2. Intranasal administration of oxytocin, vasopressin or placebo
3. Hormonal measures – hair assessment a
4. Questionnaires
5. Hormonal measures – saliva measurement
6. Infant-parent interaction and protective parenting b
7. Neural responses to infant cry sounds
8. Neural responses to infant threat
9. Handgrip force in response to infant cry sounds
10. Hormonal measures - saliva measurement
  1. Note. a Hair samples are only obtained during the first research visit. b Protective parenting is only assessed during the second research visit