Final answer:
A developed vocabulary in preschoolers predicts better reading comprehension in third grade.
Step-by-step explanation:
A developed vocabulary in preschoolers predicts better reading comprehension in third grade. This statement is true. Research has shown that children with a larger vocabulary in preschool tend to have better reading comprehension skills by third grade. A study conducted by Hart and Risley found that children from high-income families heard significantly more words and had a larger vocabulary than children from low-income families.