evidence: In particular, a statistically significant difference between groups in favor of the early group was found for the acquisition of new knowledge regarding the importance of early reading aloud (p < 0.001) and of infant socialization (p = 0.01, Fisher exact test).
intervention: Early video administered  to first-time parents in modifying parental knowledge
comparator: Late video administered to first-time parents in modifying parental knowledge
outcome: the acquisition of positive attitudes towards early reading aloud, early exposure to music and parental socialization