Simplify the following text for a Grade 11 native English-speaking person.
Original: Although Freud 's theories on early childhood have been influential on the psychological community , research suggests that the overall pattern of parental attitudes has a much more concrete effect on how an infant will grow up .
Simplified: Although Freud 's theories have been influential , research suggests pattern of attitudes of parental attitudes has a major effect on how a baby will grow up .