Question: What hypothesis about the Proto-Indo-Europeans is contradicted by the hypothesis first developed in 1987 by a British archaeologist?
Sentence (from "Transactive memory"): Transactive memory was initially studied in couples and families where individuals had close relationships but was later extended to teams, larger groups, and organizations to explain how they develop a "group mind", a memory system that is more complex and potentially more effective than that of any of its individual constituents.
Relevant evidence: No