Over a thousand Mannesmann workers were interviewed in fifty-minute sessions using outside interviewers

Evidence

In July and August, the main research was carried out in Mannesmann’s five main factories, four of which were run with worker participation. In individual oral interviews lasting an average of fifty minutes and following a questionnaire sheet, fifteen experienced interviewers from the German Institute for Population Surveys (Deutsches Institut für Volksumfragen) in Frankfurt interviewed 1176 workers. — Rolf Wiggershaus, The Frankfurt School, 507

Categorization

• SHARE: The oddly precise fieldwork numbers — fifteen interviewers, 1,176 workers, fifty minutes — are the kind of detail a co-determination or labor-sociology person would enjoy.
• XREF: connects to: The Mannesmann worker-participation study interviewed over a thousand workers in 1955 — Rolf Wiggershaus, The Frankfurt School: Its History,…, 2063; Embedded, lengthy interviews gave researchers deep proximity to Ruhr steel workers. — Rolf Wiggershaus, The Frankfurt School: Its History,…, 2098
• yield-rescued: below the book’s yield-target cutoff, included anyway for connecting to: The Mannesmann worker-participation study interviewed over a thousand workers in 1955 — Rolf Wiggershaus, The Frankfurt School: Its History,…, 2063; Embedded, lengthy interviews gave researchers deep proximity to Ruhr steel workers. — Rolf Wiggershaus, The Frankfurt School: Its History,…, 2098

Broader Connections

• The Mannesmann worker-participation study interviewed over a thousand workers in 1955 #expands (0.92) — Rolf Wiggershaus, The Frankfurt School, 2063