Describe the methodology of the study. Is this a new or inventive way of studying this issue?

Enter a comma separated list of user names.
sydne.nance
April 25, 2018
In response to:
Child Standardized Test and Blood Lead

This study was conducted by using testing data from 4th-grade students from North Carolina, and comparing if they matched high blood lead levels.  This method was conducted in seven counties through normal statistical methods.

Creative Commons Licence
See all responses to this analytic
Need help with PECE?
Join the PECE Slack channel