3 ms·
You could force it into that mould by saying that the black kids were at least as smart as the white kids within the two groups (exposed to lead, not exposed to
by OscarCunningham 5y ago
You could force it into that mould by saying that the black kids were at least as smart as the white kids within the two groups (exposed to lead, not exposed to lead) but they were less smart when the two groups were combined.