英文文献：The Effect Of The Number Of Choice Sets On Responses In A Stated Choice Survey-在一个陈述的选择调查中，选择的数量对回答的影响
英文文献作者：Heberling, Matthew,Shortle, James S.,Fisher, Ann
英文文献摘要：
An important issue for the stated choice method is the effect of the number of choice sets on responses. Based on a study of this issue in a mailed survey, results indicate that the number of choice sets does not affect survey response rates or item non-response rates.

所述选择方法的一个重要问题是选择集的数量对响应的影响。基于邮寄调查中对这一问题的研究，结果表明选择集的数量并不影响调查回复率或项目不回复率。