Conversation so far:
What did Mead research other than Samoa?
Mead felt the methodologies involved in the experimental psychology research supporting arguments of racial superiority in intelligence were substantially flawed.
Whose research did she criticize?
Mead proposes that there are three problems with testing for racial differences in intelligence.

Question: What are the 3 problems Mead identified?
Self-contained rewrite: What are the three problems Mead identified?