The Use of Focus Groups for Idea Generation: The Effects of Group Size, Acquaintanceship, and Moderator on Response Quantity and Quality
研究了焦点小组中小组规模、成员熟悉程度和主持人如何影响创意生成的数量与质量，对市场研究人员设计焦点小组有参考价值。
Edward F. Fern, The Use of Focus Groups for Idea Generation: The Effects of Group Size, Acquaintanceship, and Moderator on Response Quantity and Quality, Journal of Marketing Research, Vol. 19, No. 1 (Feb., 1982), pp. 1-13