Cross-cultural studies of parenting show that

A) mothers spending full time with their infants is the norm.
B) in most cultures, mothers spend very little time with their infants.
C) there is great variation in the amount of time that mothers spend with their infants.
D) fathers are much more involved with infant care than previously suspected.

Cross-cultural studies of parenting have shown that there is great variation in the amount of time that mothers spend with their infants, with some cultures emphasizing close contact and constant care, while others prioritize early independence and self-reliance.

Answer: D
Recent research has uncovered that fathers are much more involved with infant care than previously suspected, with some cultures having highly involved fathers who take on significant responsibilities in child rearing. However, this is not a universal trend across all cultures.