| Technical Note | Interval Estimations for the Process Capability Indices | Yasushi Nagata | 3 | 
               
                | Technical Note | A Design Procedure of Double Sampling Plans by Attributes without Assuming C2=C3 | Akihiro Kanagawa | 9 | 
               
                |  |  | Hiroshi Ohta |  | 
               
                | Material | Quantification Method v.s. Association Methods in the Analysis of Ordered Categorical Data | Masaaki Tsujitani | 16 | 
               
                | Special Features | Improvement of Quality Control |  |  | 
               
                | Article | Elements of Problem-Solving and its Structure | Takenori Takahashi | 23 | 
               
                | Article | A Consideration on the Classification of "Problems" in Quality Management | Yoshinori Iizuka | 34 | 
               
                | Tutorial | QC Story as an Approach for Improvement | Yoshio Mitsufuji | 43 | 
               
                | Tutorial | Tools for Improvement | Yoshinobu Nayatani | 54 | 
               
                | Case Method | Implementation of Improvement and its Organization | Kaoru Shimoyamada | 62 | 
               
                | Article | A Consideration on the Relationship between Problem-solving and PDCA Cycle | Takenori Takahashi | 68 | 
               
                | --- |  |  |  | 
               
                | Case Method | How to Measure "Kansei" | Eitaro Masuyama | 79 | 
               
                | QC Salon | Inventive Teaching Methods for SQC | Kazutake Fujino | 89 | 
               
                |  |  | Hideo Iwasaki |  | 
               
                |  |  | Masao Okuhara |  | 
               
                |  |  | Masahiko Munechika |  | 
               
                |  |  | Yukihiro Ando |  |