Sartre’s casual European methods matched years of American-style empirical research.

Evidence

Adorno had the irritating experience of finding that a European using European' methods could achieve as much as he had after several years' co-operation with a group using American’ methods. — Rolf Wiggershaus, The Frankfurt School, 1786

Categorization

• XREF: The status of European armchair theorizing vs. American empirical rigor maps onto the broader methodological split between Continental philosophy and Anglo-American social science.