Forthcoming and Online First Articles

International Journal of Six Sigma and Competitive Advantage

International Journal of Six Sigma and Competitive Advantage (IJSSCA)

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International Journal of Six Sigma and Competitive Advantage (3 papers in press)

Regular Issues

  • A Six Sigma and DEA approach for learning outcomes assessment at industrial engineering programs   Order a copy of this article
    by Enrique Delahoz-Dominguez, Rohemi Zuluaga-Ortiz, María Suarez-Sánchez 
    Abstract: This research assesses the performance of 89 industrial engineering degrees in Colombia. The proposed approach articulates the Six Sigma concept of quality with the efficiency assessment from data envelopment analysis. The data used correspond to the standardised test taken by university students in Colombia in their last year of training (SABER_PRO). The input variables used for the Six Sigma metrics are quantitative reasoning, critical reading, citizen competencies, English and written communication. The output variable is the learning outcome, formulation and evaluation of projects. The studys findings show that universities with institutional quality accreditation have a higher level of compliance than non-accredited universities. Also, private universities have a higher level of compliance than public universities. Regarding the data envelopment analysis model results, the average level of efficiency of the universities determined by the CRS, VRS, and performance to scale models is 93%, 90%, and 92%, respectively.
    Keywords: Six Sigma; data envelopment analysis; DEA; predictive evaluation; higher education.
    DOI: 10.1504/IJSSCA.2021.10043648
  • PMDECS approach of Red Bin Analysis the art of problem solving in manufacturing industry   Order a copy of this article
    by Sumit Shandilya, Jaskiran Arora, Kalluri Vinayak 
    Abstract: Over the years, problem solving in manufacturing industries has become one of the key attributes and a differentiator in this competitive market. A notable fact which has emerged from the literature of problem-solving that, most of the time it has been a reactive approach. If the approach has to be preventive then there must be automation or application approaches involving statistics. In developing countries where component manufacturers still struggle to implement an effective problem solving methodology, OEMs have relatively better awareness of problem solving but they are yet to have an effective problem-solving methodology which can be cost effective, time saving and simultaneously have a preventive approach rather than a reactive approach. In this paper, authors have demonstrated PMDECS approach of Red Bin Analysis which reduces the issues and problems at source as a preventive approach. This is an alternative approach towards problem solving based on the Demings PDCA cycle.
    Keywords: Red Bin Analysis; problem solving process; manufacturing problems; defects and defectives; supplier upgradations; supplier management; operation excellence; business process improvement; continual improvement.
    DOI: 10.1504/IJSSCA.2022.10047023
  • The interplay of technical and human lean practices in enhancing operational performance: evidence from Yemeni SMEs   Order a copy of this article
    by Mohammed A. Al-Hakimi, Moad Hamod Saleh, Sami A.M. Moghalles 
    Abstract: The current study aims to investigate the existence of a positive interplay between technical lean practices (TLPs) and human lean practices (HLPs) in enhancing operational performance with its dimensions (quality, cost, delivery, and flexibility), in the presence of industry sector and firm size as control variables. Through data collected from 318 small and medium-sized enterprises in Yemen, the proposed model was tested. The results showed that both TLPs and HLPs have synergistic effects on all dimensions of operational performance, including cost, quality, delivery, and flexibility, regardless of firm size and industry sector. This study offers theoretical and practical insights highlighting the relevance of adopting lean manufacturing practices that maximise operational performance.
    Keywords: lean manufacturing practices; technical lean practices; TLPs; human lean practices; HLPs; operational performance; SMEs.
    DOI: 10.1504/IJSSCA.2022.10049959