Problem: Which of the following is not a conclusion drawn by the Hart and Risley (1995) research team? The relationship between the total amount of parent talk a child heard and the child's vocabulary size was very strong (0.6 correlation). Vocabulary use at age three was strongly correlated with reading comprehension scores in third grade. Children in families with literate parents and caregivers are no more likely to have better reading comprehension than children with nonliterate parents. Children of talkative, college-educated, professional parents heard 48 million words addressed to them by the time they were four. Need Assignment Help?