He criticizes Lynn for reporting data incorrectly, in some cases from studies by Mackintosh himself. He writes: "The errors may not be particularly important, and I do not know how typical they are. But they do not increase my confidence in Lynn's scholarship."
He points out that Lynn has reported data incorrectly, at times based on studies performed by Mackintosh himself. He states: "While the mistakes may not be crucial, and I'm uncertain about their frequency, they do not bolster my confidence in Lynn's scholarly work."