Establishment of Indexes System for Bookcases Ergonomic Evaluation Based on Delphi Method

To get a comprehensive bookcase ergonomic evaluation indexes system, the literature research and user survey were carried out first to collect indexes that influence bookcase using. The indexes including structure, operation force, interaction and other ergonomic factors were preliminarily extracted by collecting and arranging the research results. Then, the usability testing was designed to find out more indexes when using bookcase. With all the researches based on user experience results, the preliminarily ergonomic evaluation system was confirmed including 33 indexes. Then, 15 experienced experts in the field of ergonomics and furniture design were hired to evaluate the extent necessary to be included in the bookcase ergonomic evaluation index system by using Delphi Method. 23 indexes were finally confirmed through two rounds of expert consultation, which laid a foundation and provided references for the ergonomic design and evaluation.