Los puntos clave no están disponibles para este artículo en este momento.
Journal Article 4. "Panel" Studies Get access PAUL F. LAZARSFELD PAUL F. LAZARSFELD Director Princeton Office of Radio Research Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 4, Issue 1, March 1940, Pages 122–128, https://doi.org/10.1086/265373 Published: 01 March 1940
Paúl F. Lazarsfeld (Fri,) studied this question.