Search results

From two bodies of literature, the purpose of this paper is to generate theory for an updated conceptual model of drivers of Six Sigma project success by integrating extant psychology theory and empirical general team project results with a history of eight recent Six Sigma projects and extant Six Sigma literature. The new theory emphasizes the need for project leads to process information simultaneously, as well as develop prioritization abilities. Also, the new theory reverses the relations of three existing theories from general team composition theory. The new theory suggests that Six Sigma belt trainers should focus more on soft skill development.

A literature review of the two bodies of literature previously mentioned.

Eight new propositions related to the success of Six Sigma projects are developed. Further, two new constructs, “project leader simultaneity of thought” and “prioritization ability” are suggested for further investigation.

The authors suggest a few practical implications: first a greater emphasis on soft skill training would be beneficial in Six Sigma belt training. A second new point of emphasis in belt training is developing greater internal locus of control in belt candidates. Third, the authors suggest that during the team member selection process a diversity of backgrounds would be beneficial to Six Sigma project success.

Process improvement initiatives, such as Lean, Six Sigma and Lean Six Sigma, typically have common characteristics that are carried through projects. Whilst a project’s performance is an important determinant of the successful implementation of continuous improvement (CI) initiatives, its failure can undermine the impact of any CI initiative on business performance. As a result, an understanding of the reasons of process improvement project failures is crucial. The purpose of this paper is to present the results of a pilot survey highlighting the most common reasons for process improvement project failures.

This paper presents a pilot survey of 42 Brazilian manufacturing specialists who have been involved in process improvement projects. The participants of this survey were Six Sigma Master Black Belts, Black Belts, Green Belts and Six Sigma champions from manufacturing companies in Brazil. The survey questionnaire was piloted with five experts in the field in order to ensure that the questions were valid and technically sound.

The execution of Six Sigma projects in organizations results in a moderate rate of project failures. These failures can cost organizations several millions of dollars especially within the context of larger organizations. The main reasons for project failure, as cited by the specialists include: resistance to change, lack of commitment and support from top management and incompetent teams.

The authors report the findings from a pilot survey having a limited sample size. Moreover, the data have been collected from one country and primarily from large manufacturing companies.

To the best of the authors’ knowledge, this is the first empirical study looking into the reasons for process improvement project failures. The authors argue that if the top reasons for such failures are understood, a framework can be developed in the future that can mitigate the chance of project failures during project execution. This could potentially lead to significant savings to the bottom-line of many organizations.

The paper presents a process of development of the capacity of resources used in the improvement of an organization. The purpose of this paper is to determine the conditions in which the development of the improvement capacity is sustainable.

As the basis for the study, the following prerequisites have been adopted: potential effects of the use of resources in a process can be expressed by their capacity, which involves the productivity and volume of the resources; a model of sustainability of improvement is based on the procedure ABC and principle of continuous improvement; an improvement process involves two components: subject matter (eliminating problems) and methodical (learning how to eliminate problems during the execution of subject matter tasks) projects; the methodology of Six Sigma can be a reference model, which is studied to identify and interpret elements and relationships that are characteristic for the process of sustainable development.

There have been formulated a model of the process of developing the improvement capacity in which the subject matter and methodical tasks are coupled, a model of the Six Sigma process that refers to the features of the process of development of the improvement capacity and three principles for sustainable development of improvement capacity.

The principles refer to decisions on the improvement process made at basic (strategic, tactical and operational) levels of an organization.

Evidence suggests that hospitals are having problems achieving continuous improvement project (CIP) goals or sustaining their results. Therefore, the purpose of this paper is to identify those critical success factors (CSFs) most strongly related to CIP success in hospitals (Lean-Kaizen project, Lean Six Sigma project, Six Sigma projects, and Quality Improvement projects).

A retrospective survey was applied to any CIP leaders/facilitators from hospitals that conducted at least one CIP during the last two years.

Three main findings were obtained from the 116 valid responses. First, the level of importance of 47 out of 53 CSFs to achieve CIPs success in hospitals was assessed as very important or higher (4 or higher on a six-point scale). Second, there are important differences between the CSFs to achieve CIP success in hospitals in this research and previous investigations. Third, the type of CIP affects the level of importance of 16 out of 53 CSFs to achieve CIP success in hospitals.

Practitioners involved with CIPs activities in hospitals could use the knowledge extracted from this investigation to improve the impact of their CIPs. Future research should continue in two lines: test if the 53 CSFs for CIPs measure a unique factor and identify the main relationships or paths between CSFs for CIPs and CIP outcomes.

To investigate the factors affecting innovation in Six Sigma improvement teams. Based on Activation Theory, this study explores the possibility of an inverted U-shaped association between psychological safety and innovation and examines how intrinsic motivation moderates this relationship.

Moderated regression analysis is carried out to test the curvilinear relationship, using data collected from 324 members of 102 Six Sigma improvement teams from two European manufacturing firms.

The findings demonstrate that the beneficial effect of psychological safety reaches an inflection point, after which its relations with innovation cease to be linear and positive; this gives the relationship a curvilinear pattern (inverted U-shaped). Further, intrinsic motivation has a supportive effect in enhancing the beneficial impact of psychological safety on innovation, and in shifting the inflection points to a higher level; this demonstrates their synergetic influence on innovation.

The impact of psychological safety on innovation is examined from the new perspective of a curvilinear relationship. This is one of the first studies to investigate the combined effects of individual (intrinsic motivation) and team-level antecedents (psychological safety) on innovation in Six Sigma teams. The study provides insights into how Six Sigma enhances innovation and offers some valid inputs to the current academic debate on this topic.

Six Sigma teams are special types of quality improvement teams which originated in the USA in the 1980s and later became popular in manufacturing enterprises worldwide. One dilemma for this type of teams is that they have to generate innovative solutions to solve urgent problems, while they are strictly bound by the rigorous Six Sigma approach. Another important issue is that Six Sigma is a typical western concept and the philosophy behind it contradicts some of the traditional Chinese values. This study seeks to examine the knowledge flow in Six Sigma teams in order to understand how the teams accommodate these conflicts.

The study applies a case study methodology and uses a combination of storytelling and follow‐up interviews.

The results show that Six Sigma teams go through a cycle from transforming the external input into technical knowledge, practical knowledge and finally critical knowledge to create opportunities for improvement. Another finding is that the teams are influenced by both the western philosophy, for example, favouring analytical data, and Chinese values, for example, relying on input from the senior management and apprenticeship mode of learning.

By incorporating cultural elements into the relevant literature of Six Sigma, this study gives an insight into the influence of the cultural factors from both the west and the east on the knowledge flow of Chinese Six Sigma teams in a manufacturing enterprise.

The purpose of this paper is to explore how Lean and Six Sigma’s distinctive practices relate to potential absorptive capacity (PACAP) and realized absorptive capacity (RACAP). The paper seeks to understand which of the practices in Lean Six Sigma are needed to manage absorptive capacity systematically.

Partial least square based structural equation modeling (PLS-SEM) was used to test the theoretical model drawing on a sample of 125 manufacturing organizations in Malaysia. In addition to examining direct effects, the study also examines indirect effects using bootstrapping method to identify possible mediation effects proposed in the model.

The results explain that Lean’s social practices (LSP), Six Sigma’s roles structure (RS) and structured improvement procedure (SIP) positively influence potential absorptive capacity (PACAP). Meanwhile LSP, RS and focus on metrics (FOM) positively influence realized absorptive capacity (RACAP). SIP was found to influence RACAP through PACAP. The analysis reveals the combination of Lean Six Sigma practices that are required in managing PACAP and RACAP differentially.

The study is only confined to manufacturing industries in Peninsular Malaysia. Data collected were cross-sectional in nature. The application of Lean Six Sigma and how it influences absorptive capacity may get sturdier across time, and this may change the effect toward sustainability of firm’s competitive advantage. A longitudinal study may be useful in that context. The study also makes specific recommendations for future research.

The results of this study can be used by Lean Six Sigma practitioners to prioritize the implementation of Lean Six Sigma practices to develop absorptive capacity of the organization through PACAP and RACAP, which needs to be managed differentially as they exert differential outcomes. This would enable organizations to tactfully navigate and balance between PACAP and RACAP in accordance to business strategies and market conditions.

Absorptive capacity in Lean and Six Sigma context has largely been studied as a unidimensional construct or used as a grounding theoretical support. Therefore, understanding the multidimensionality through PACAP and RACAP provide insights on how to enhance and maneuver absorptive capacity through Lean Six Sigma systematically. The findings may pave the way for future research in enhancing the current knowledge threshold in Lean Six Sigma.

The aim of this research is to explore the implementation of Six Sigma in service organisations. The focus of the investigation is on identifying critical success factors (CSFs), critical‐to quality (CTQ) characteristics, tools and techniques and key performance indicators (KPIs), and also to understand the issues emerging from the implementation process.

Exploratory empirical evidence is provided through four in‐depth case studies of organisations mainly in Singapore. They include a hospital, a public service organisation, a consultancy service and a hotel.

The major findings include an understanding about the suitability of Six Sigma implementation in service organisations. Management support and team member support emerged as primary success factors. The CTQs include time and cost, while use of soft tools instead of rigorous statistical tools are preferred by service organisations. At the project level, KPIs are understood more as CTQs. Additionally; various interesting practical difficulties emerged from the case studies.

A main limitation of this study is the small number of organisations studied and that are mainly from a single geographical location. Furthermore, the exploratory nature of the study demands rigorous in‐depth studies. The practical difficulties identified will have major implications for managers. The framework including the CSFs, CTQs, KPIs, and tools and techniques, will be a useful guide for both practitioners and academicians.

There are limited studies about Six Sigma implementation in service organisations. This paper provides a framework and a paradigm shift from viewing its implementation through a manufacturing lens.

The literature suggests that a key ingredient for the successful six sigma implementation is project prioritisation and selection. The purpose of this paper is to identify what criteria are considered for selecting six sigma projects and how six sigma projects are selected in organisations in the UK.

Using a survey as a method of investigation, respondents were asked what criteria are considered to select projects and how potential projects are identified, prioritised, selected and evaluated.

The results of the survey indicate that UK organisations tend to select projects based on criteria such as customer satisfaction, financial benefits, top management commitment and those projects integrated with the company's strategy. Several tools and techniques such as cost benefit analysis, cause and effect matrix, brainstorming, Pareto analysis are employed to identify and prioritise projects.

This paper is limited to the selection of six sigma in the UK. Further, empirical studies using larger sample sizes and greater geographical diversity may be helpful in validating the results of this study.

The identification of the most commonly used criteria to select six sigma projects can aid practitioners to select projects based on multiple criteria and using tools and techniques identified in this survey.

The provision of empirical data on the criteria used to select six sigma projects and how six sigma projects are selected.

The purpose of this paper is to explore the relationship between knowledge creation processes and the Six Sigma approach.

An integrated Six Sigma implementation process is proposed to explore knowledge creation opportunities within a Six Sigma program. A qualitative inquiry with thematic analysis which focuses on a TFT‐LCD (Thin Film Transistor‐Liquid Crystal Display) panel manufacturer and a glass substrates manufacturer is presented in order to identify how the Six Sigma program facilitates the knowledge creation process through the socialization, externalization combination and internalization (SECI) modes, and four types of space for knowledge creation, which are viewed as the different forms of ba, as proposed by Nonaka et al. , namely originating ba, interacting ba, systemizing ba and exercising ba.

This study contributes to integrating the domains of quality management and knowledge management research. The findings demonstrate the potential mediating effect of a Six Sigma knowledge‐creating system.

This study is limited in its research methodology, and the case studies are only two empirical illustrations of many other possible implementation processes. The author does not assume that these companies are paradigms or that their specific situations are applicable to all other business enterprises.

This architecture offers an initial model for an organization that wants to facilitate knowledge creation according to the prevailing Six Sigma approach, and further proceed with its knowledge management systems implementation to encourage the management of corporate knowledge and effectively enhance competitiveness.