Attachment-Q Sort 1 Child 1 Child Care 1 Child, Preschool 1 Father-Child Relations 1 Humans 1 Hydrocortisone 1 Parental Behavioral Inventory Parenting 1 Paternal Behavior 1 Testosterone 1 child 1 child care 1 child parent relation 1 father child relation 1 human 1 hydrocortisone 1 paternal behavior 1 preschool child 1 quality of father–child relationship 1 seasonal variation in testosterone and cortisol 1 testosterone 1 timetable interview 1