| Course | BUS 721 Issues in Optimizing Operations (BUS/721) |
|---|---|
| Week | 7 |
| Paper type | Doctoral literature review |
| Length | about 1,152 words, 4 double-spaced pages plus title page and references |
| Format | APA 7 student paper |
| School | University of Phoenix |
| Program | DBA |
| Updated | October 2026 |
Free sample paper for BUS 721 Week 7
What Makes Operations Excellent and Keeps Them That Way? A Review of Research for a Mid-Size Manufacturer
[Student Name]
University of Phoenix
BUS/721: Issues in Optimizing Operations
Week 7 Assignment
[Instructor Name]
[Date]
Tri-State Cabinet Company is a composite organization used to illustrate the review.
Over six weeks, Tri-State Cabinet Company, a composite manufacturer with three plants, has examined operations strategy, business intelligence, ERP, implementation, process improvement and decision making. This review steps back to ask what research says about operations excellence in general and what it leaves unanswered for firms like Tri-State. Operations research offers managers many proven practices but fewer answers about why some organizations sustain them for decades while others let them fade within a few years. The review is organized into six themes.
Scope and Approach
The review covers peer-reviewed research in operations management, strategic management and organizational studies from 1990 onward, with selected earlier work. Sources were identified through database searches using terms such as operations strategy, total quality management, lean, Six Sigma, management practices and implementation, and through citation tracing. Practitioner books were used only for context, since their claims are rarely tested against comparison groups.
Theme One: Operations Strategy and Capabilities
One influential proposal holds that capabilities accumulate, with quality first and dependability, flexibility and cost following, challenging the view that plants must trade off priorities (Ferdows & De Meyer, 1990). Boyer and Lewis (2002) found that many plant managers still perceived trade-offs. The debate remains open: cumulative building may be possible over time, while short-run trade-offs persist. For a firm like Tri-State, the practical implication is to accept some cost increase in the near term while quality and delivery capabilities are built.
Theme Two: Total Quality Management
Powell (1995) studied firms adopting total quality management and found that its benefits came less from tools such as benchmarking and process analysis than from tacit, behavioral features such as executive commitment, an open organization and employee empowerment, which are harder to imitate. Hackman and Wageman (1995) examined TQM's practices and found that implementations often departed from the theory, with uncertain effects.
Theme Three: Lean Practice Bundles
Shah and Ward (2003) found that lean practices cluster into bundles that together relate to performance, and that plant context influences adoption. The bundle view echoes Powell's finding: isolated tools matter less than coherent systems, which explains why Tri-State's earlier lean events, run without supporting maintenance or people practices, faded.
Theme Four: Six Sigma
Schroeder et al. (2008) defined Six Sigma by its specialist roles, structured method and metrics, distinguishing it from earlier quality approaches. Empirical evidence on Six Sigma's long-term effects is more limited than evidence on lean and quality management, and much comes from case studies.
Theme Five: Management Practices
Interviews scoring monitoring, target setting and incentive practices in thousands of manufacturing firms across countries revealed large variation, with better practices associated with higher productivity and profitability (Bloom & Van Reenen, 2007). Their large-sample evidence complements smaller operations studies, though it measures general management rather than specific operations methods.
Theme Six: Contingencies and Implementation
Netland (2016) found that success factors for lean, such as management commitment and training, mattered differently depending on context. Combined with research on implementation climate and capability traps, this theme suggests that outcomes depend heavily on how practices are introduced and sustained.
The Role of Leadership Across Themes
Leadership appears in every stream, sometimes explicitly and sometimes in the background. Quality management research emphasizes executive commitment; lean research highlights management support as a success factor; Six Sigma assigns leaders roles as champions; and studies of capability traps show how leaders' responses to pressure can undermine improvement. Yet few studies measure leadership behavior directly alongside operations practices, making it difficult to say how much of the effect of practices depends on who leads them.
Workforce and Skills
Research also points to the workforce. Lean bundles include human resource practices such as training and teams, and quality management depends on employee empowerment. Studies in plants with high turnover or temporary staff are relatively rare, though many mid-size manufacturers rely on such workforces, a gap that matters for firms like Tri-State whose finishing crews turn over frequently.
Agreements Across Themes
Across themes, research agrees that systems of practices outperform isolated tools, that culture and leadership matter at least as much as techniques and that context shapes results.
Tensions and Debates
Tensions remain over whether trade-offs among priorities can be overcome, whether Six Sigma adds value beyond lean and quality management and how much of the measured performance effect is caused by practices rather than by better-managed firms adopting them.
Evaluating the Evidence
Much evidence is cross-sectional, linking practices to performance at one point in time, limiting causal claims. Large surveys offer breadth but less detail on implementation; case studies offer depth but limited generalizability. Few studies follow firms over many years to examine sustainability.
Measurement Problems
Studies measure operations excellence in different ways: plant managers' self-ratings, objective cost and quality data, award winners or financial performance. Self-ratings are convenient but subject to bias, while objective data are harder to gather across firms. Comparing findings across studies is difficult when one measures inventory turns and another measures managers' perceptions of competitiveness. A consistent set of measures would strengthen future research.
A Note on Publication Patterns
Published studies tend to report successful implementations or significant relationships, while failures and null results are less often published. This pattern may overstate the reliability of practices. Case studies of failure, such as research on capability traps, provide valuable balance, and practitioner-researchers who document their own organizations' setbacks can add to this underrepresented evidence.
Gap One: Mid-Size Semi-Custom Manufacturing
Most samples include large plants and repetitive production. Semi-custom manufacturers, with high product variety and order-driven flow, may face different trade-offs and implementation challenges than the high-volume plants most studies describe.
Gap Two: Sustaining Excellence
Research describes how improvement programs succeed or fail early but rarely follows them for a decade. Why some firms sustain operational excellence while others relapse is underexplored.
Gap Three: Digital Tools and Lean
As firms add business intelligence and ERP systems, how digital tools interact with lean and quality practices, reinforcing or undermining them, is an emerging question with limited evidence.
Proposed Research Questions
First, how do mid-size semi-custom manufacturers sequence quality, delivery and cost improvements, and does the cumulative model hold? Second, what organizational practices distinguish plants that sustain improvement over five or more years? Third, how does real-time data visibility affect the use of lean practices on the shop floor?
Implications for Tri-State
The review supports Tri-State's emphasis on building quality first, combining practices into systems, investing in leadership commitment and culture and managing implementation carefully. It also cautions that evidence for its specific setting is thin, so the company's own data will be important.
Conclusion
Research on operations excellence agrees that systems of practices, culture and context matter more than isolated tools. It is thinner on mid-size semi-custom firms, long-term sustainability and the interaction of digital tools with lean. These gaps suggest questions that a practitioner-scholar study at a firm like Tri-State could address.
References
Bloom, N., & Van Reenen, J. (2007). Measuring and explaining management practices across firms and countries. The Quarterly Journal of Economics, 122(4), 1351-1408. https://doi.org/10.1162/qjec.2007.122.4.1351
Boyer, K. K., & Lewis, M. W. (2002). Competitive priorities: Investigating the need for trade-offs in operations strategy. Production and Operations Management, 11(1), 9-20. https://doi.org/10.1111/j.1937-5956.2002.tb00181.x
Ferdows, K., & De Meyer, A. (1990). Lasting improvements in manufacturing performance: In search of a new theory. Journal of Operations Management, 9(2), 168-184. https://doi.org/10.1016/0272-6963(90)90094-T
Hackman, J. R., & Wageman, R. (1995). Total quality management: Empirical, conceptual, and practical issues. Administrative Science Quarterly, 40(2), 309-342. https://doi.org/10.2307/2393640
Netland, T. H. (2016). Critical success factors for implementing lean production: The effect of contingencies. International Journal of Production Research, 54(8), 2433-2448. https://doi.org/10.1080/00207543.2015.1096976
Powell, T. C. (1995). Total quality management as competitive advantage: A review and empirical study. Strategic Management Journal, 16(1), 15-37. https://doi.org/10.1002/smj.4250160105
Schroeder, R. G., Linderman, K., Liedtke, C., & Choo, A. S. (2008). Six Sigma: Definition and underlying theory. Journal of Operations Management, 26(4), 536-554. https://doi.org/10.1016/j.jom.2007.06.007
Shah, R., & Ward, P. T. (2003). Lean manufacturing: Context, practice bundles, and performance. Journal of Operations Management, 21(2), 129-149. https://doi.org/10.1016/S0272-6963(02)00108-0
What the BUS 721 Week 7 instructions ask
Week 7 of BUS 721 asks DBA candidates to synthesize research on operations excellence. Expected elements include setting boundaries for the review, organizing literature into themes, summarizing findings and methods, evaluating strengths and limitations, identifying gaps and proposing research questions connected to the student's context. Use peer-reviewed sources, synthesize across studies, distinguish strong from weak evidence and record every source in APA style. A table listing each theme with its key studies, designs and main findings helps readers see the field at a glance and shows where evidence is thin. Explain how the reviewed research informs the organization's choices and where it falls silent, so the review serves both scholarship and practice.
How this BUS 721 Week 7 example is built
A review of operations excellence research must bring together several streams that rarely cite each other, and the paper organizes them into six themes. Operations strategy research debates trade-offs and proposes cumulative capabilities. Quality management research found that tacit, cultural features drove performance more than tools. Lean research identifies practice bundles linked to performance. Six Sigma research defines its distinctive structure. Management practice surveys provide large-sample evidence of performance effects. Contingency research shows that success factors vary by context. The review finds evidence thin for mid-size, semi-custom multi-plant firms, notes cross-cutting roles for leadership and the workforce and proposes questions on sustaining improvement and integrating digital tools.
BUS 721 Week 7 grading rubric: where the points go
Strong doctoral reviews organize literature into clear themes, compare findings and methods and derive specific gaps and questions. Faculty credit accurate summaries of key studies, recognition of agreements and tensions across streams, evaluation of evidence quality and research designs and research questions that follow from identified gaps and connect to practice. Transparency about scope and search strengthens credibility. Precise writing and correct APA citations complete the review. Showing how the review would change decisions in the student's setting demonstrates the practitioner-scholar orientation. Faculty also reward honesty about the reviewer's own position, since a practitioner who favors certain methods may unconsciously select supporting studies, and a transparent search process helps guard against that.
BUS 721 Week 7 help: mistakes to avoid
Doctoral students often review each stream separately without connecting them. Show where streams agree, conflict or complement each other. Another frequent gap is accepting survey findings as causal. Note the designs. Students also propose gaps that are really just topics. Spell out exactly what the literature cannot yet answer and who would benefit from knowing. Avoid including practitioner books as primary evidence. Explain your search. Connect gaps to feasible research. Finally, show what the review implies for the organization, since a DBA review should inform practice as well as scholarship. Watch for confirmation bias in source selection, especially when you already favor a method. Include studies that challenge your assumptions as well as those that support them.
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BUS 721 Week 7 questions, answered
What does BUS 721 Week 7 usually cover?
The week centers on synthesizing scholarship about operations excellence, spanning operations strategy, quality management, lean, Six Sigma, management practices and contingencies, with evaluation of evidence, gaps and research questions.
Where can I find a free BUS 721 Week 7 sample paper?
A complete literature review on operations excellence for a mid-size manufacturer, with notes on synthesis, is presented on this page. Share your review topic and a complimentary starting draft can be prepared.
Does total quality management improve performance?
Research suggests it can, but a widely cited study found that tacit features such as executive commitment, open culture and empowerment drove performance more than specific quality tools.
What are cumulative capabilities in operations?
The idea that operational capabilities build on one another, typically starting with quality and moving to dependability, flexibility and cost, so improvement in one supports the next.
Why do operations improvement results vary across firms?
Because context matters: plant size, industry, workforce, leadership and stage of implementation change which practices matter most and how they must be adapted.
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