Question

write the questions below by following the article "Early Childhood Lead Exposure and Academic Achievement: Evidence From Detroit Public Schools, 2008–2010"

by Nanhua Zhang, PhD, Harolyn W. Baker, MPH, Margaret Tufts, MPH, Randall E. Raymond, MS, Hamisu Salihu, MD, PhD, and Michael R. Elliott, PhD

1. What is the source of data used in the study?

2. What factors might affect the quality of the data?

Answer 1

Answer:-

1)

Achievement: Evidence From Detroit Public Schools, 2008–2010"

by Nanhua Zhang, PhD, Harolyn W. Baker, MPH, Margaret Tufts, MPH, Randall E. Raymond, MS, Hamisu Salihu, MD, PhD, and Michael R. Elliott, PhD

2) In the year following the crisis, many children screened had high levels of lead in their body. Lead exposure can occur from contact with lead in the air, household dust, soil, water, and commercial products. Continued exposure over the course of months or years can eventually lead to lead poisoning.