DIV 5003 Module 2 Perspectives, Innovation and Results Analysis Example

A Roundabout, a Crash Map and a Curb Ramp: How Varied Perspectives Changed an Engineering Team's Designs

Student Name

American College of Education

DIV5003: Belonging and Inclusion in the Workplace

Module 2 Assignment

Instructor Name

September 11, 2028

Introduction

Module 1 found that my transportation design group at Delta Ridge Engineering, a composite Sacramento firm, offers belonging more readily than room for people to contribute in their own way. Junior, hybrid and internationally trained engineers speak less in design reviews and rarely present to clients. This paper asks whether that matters for the work. It examines three recent projects in which an engineer outside the usual circle changed a design, compares those projects' results with others, uses research to explain when varied perspectives improve outcomes and identifies the conditions that would let the team use them more consistently.

What Research Says About Differences in Teams

Research on diverse teams is mixed for a reason. One integrative model proposed that differences among team members can improve performance when members share and work through the different information and viewpoints they hold, a process its authors called elaboration, but can hurt performance when differences lead people to sort one another into in-groups and out-groups (van Knippenberg et al., 2004). Inclusion research adds that people contribute their distinctive views only when the group both accepts them and values what sets them apart (Shore et al., 2011). Which effect dominates depends on the task and the team's conditions. Phillips et al. (2009) found that groups joined by a socially distinct newcomer performed better on a problem-solving task than groups joined by a similar newcomer, even though members of the diverse groups felt less confident and found the interaction less comfortable. Better results and greater discomfort can come together.

Case One: The Roundabout

Last year the group designed an intersection improvement for a suburban city where a two-lane road met a busy arterial. The initial concept was a traffic signal. An engineer trained in Western Europe, where roundabouts are standard, suggested a single-lane roundabout during an informal conversation after a design review, having not raised it in the meeting itself. The roundabout was analyzed, cost slightly more to build but less to operate, and was projected to reduce injury crashes more than a signal. The city chose it. The idea entered the project only because a senior engineer happened to overhear the conversation and invited a written comparison.

Case Two: The Crash Map

For a corridor safety study, a hybrid engineer who works mainly from home proposed analyzing five years of crash records with geographic mapping software, rather than reviewing collision reports site by site as the group usually does. The approach revealed a cluster of nighttime pedestrian crashes near a transit stop that the site-by-site review had not flagged. The final design added lighting and a protected crossing at that location. The engineer had first raised the idea in the meeting chat, where it went unanswered for two weeks, until the project lead read the chat history while preparing a report.

Case Three: The Curb Ramp

A junior engineer who uses a wheelchair outside work noticed that a proposed curb ramp design met the technical slope requirements but placed a drainage grate in the path of travel at the bottom of the ramp. The engineer raised it in a design review, where it was initially dismissed as meeting the standard, and then raised it again with a sketch. The grate was moved. The change cost almost nothing and avoided a feature that would have made the crossing harder for wheelchair users and people with strollers, as well as a likely complaint after construction.

Comparing Results

The three cases are anecdotes, so I compared them with the group's broader record. Over the past two years, the group completed 26 design projects. On the eight in which at least one junior, hybrid or internationally trained engineer was credited in review notes with a design change, client review comments requiring revision averaged 4.1 per project, compared with 6.3 on the other eighteen. Projects with credited contributions also passed the city or state's first plan review in five of eight cases, against seven of eighteen. The numbers are small and the projects differ, so they cannot prove cause, but they point in the same direction as the cases.

Why the Value Was Nearly Lost

In all three cases, the perspective nearly failed to reach the design. The roundabout idea surfaced outside the meeting, the crash map idea sat unanswered in a chat and the curb ramp concern was dismissed once. In the terms of the elaboration model (van Knippenberg et al., 2004), the group had the information but not the elaboration: different views were present but not drawn out and worked through. The discomfort Phillips et al. (2009) describe may also play a part, since disagreeing with senior engineers in a fast-moving review feels risky, especially for those Module 1 found least comfortable disagreeing.

What the Client Sees

Clients notice the difference, even when they cannot name its source. The city engineer for the roundabout project told us at the ribbon cutting that the analysis comparing a signal with a roundabout was the most thorough the city had received, and the city has since asked us to evaluate roundabouts on two other intersections. The transit agency that received the corridor study cited the nighttime crash finding in a successful grant application for lighting improvements. These outcomes matter commercially, since public clients choose engineering firms largely on qualifications and past performance, and a reputation for catching what others miss is a competitive advantage in that market.

Conditions That Would Help

Research and the cases together suggest four conditions. Ideas need a structured route into the design, rather than depending on chance conversations. Reviews need time to work through alternatives, not just to approve a concept. Remote participants need channels that are read and answered during the meeting. And senior engineers need to treat disagreement as useful, crediting contributions accurately in review notes. Module 3 will design collaboration practices for meetings and projects that build these conditions.

The Cost of Lost Ideas

It is harder to count the ideas that never surfaced. Several engineers mentioned in conversations for this paper that they had suggestions they did not raise, such as alternative pavement materials or ways to reduce construction impacts on nearby businesses, because the review had already moved on or because a senior engineer had signaled a preferred direction. Each unraised idea may have been minor, but across 26 projects a year they add up to designs that are less tested than they could be. The cases above succeeded partly by luck; a team that relies on luck to surface its best ideas leaves value unused.

Limits

The comparison covers 26 projects and depends on review notes that may not credit every contribution. Projects with credited contributions may also have differed in size or client. And the engineers whose ideas succeeded are not representative of every perspective the group holds. The aim here is not to prove that diversity guarantees better designs, but to show that the group is losing value it already has.

Conclusion

Three projects show how engineers outside the group's usual circle improved designs, from a safer intersection to a better curb ramp, and a comparison of 26 projects suggests fewer revisions and better plan review results when such contributions are credited. Research explains why differences help when they are worked through and why that is uncomfortable. The group's challenge is not a shortage of perspectives but routines that let them slip away, which the next module will address.

References

Phillips, K. W., Liljenquist, K. A., & Neale, M. A. (2009). Is the pain worth the gain? The advantages and liabilities of agreeing with socially distinct newcomers. Personality and Social Psychology Bulletin, 35(3), 336-350. https://doi.org/10.1177/0146167208328062

Shore, L. M., Randel, A. E., Chung, B. G., Dean, M. A., Holcombe Ehrhart, K., & Singh, G. (2011). Inclusion and diversity in work groups: A review and model for future research. Journal of Management, 37(4), 1262-1289. https://doi.org/10.1177/0149206310385943

van Knippenberg, D., De Dreu, C. K. W., & Homan, A. C. (2004). Work group diversity and group performance: An integrative model and research agenda. Journal of Applied Psychology, 89(6), 1008-1022. https://doi.org/10.1037/0021-9010.89.6.1008