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 conducted by Mackintosh himself. He writes: "Although the mistakes may not be significant, and I'm uncertain about their frequency, they do not enhance my trust in Lynn's scholarly work."