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How to avoid making errors on the job?

There is a thing known in Bain as 'ZD' , meaning Zero Defects.

As an fresh grad intern, I find it very difficult to completely avoid errors, especially with fatigue due to long hours. May I please get some actionable advice from your experiences on how to avoid making ZDs on the job?

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Alessa
Coach
on Dec 01, 2024
xMcKinsey & Company | xBCG | +200 individual & group coachings | feel free to schedule a 15 min intro call for free

Hey! 

First of all, don't put yourself under too much pressure! Zero defects seems to be a vision but consultants are still human beings ;) 

Actionable advice from my side: 

  • Double-Check Everything: Always review your work, even if you're confident. If time permits, step away from the task for a few minutes and review it with fresh eyes.
  • Check in Stages: Break your work into smaller sections and check each one as you go. This minimizes the chance of compounding errors and makes corrections easier.
  • Create Checklists: Develop a checklist for recurring tasks, such as structuring slides, validating numbers, or ensuring format consistency. A checklist helps you remember essential steps, even when fatigued.
  • Use Peer Reviews: Ask a trusted colleague or team member to review your work. A second pair of eyes can catch errors you may have missed, especially when tired.
  • Document Assumptions: Clearly document assumptions in calculations or frameworks. This not only makes your work transparent but also allows you to backtrack and validate your thinking easily.
  • Leverage Tools: Use tools like Excel formulas, error-checking software, or slide masters in PowerPoint to minimize manual errors.
  • Time Management: Prioritize high-quality work on the most critical tasks. If you're pressed for time, flag lower-priority items for future refinement.
  • Manage Fatigue: Take short breaks to stay sharp, especially during long hours. Simple practices like a quick walk or hydration can refresh your focus.
  • Learn from Mistakes: When errors occur, analyze what went wrong and create a process to prevent recurrence. Continuous improvement is key.
  • Communicate Early: If you're unsure about a task, ask clarifying questions early. This reduces the risk of errors caused by misinterpretation.

Good luck! 

Alessa

Alberto
Coach
on Dec 01, 2024
Ex-McKinsey Partner | Most experienced coach (15 years exp, +2.000 real interviews) | 95% success rate

Ask for frequent feedback, both weekly and on the spot.

Pay close attention to details by creating your own checklist and asking your peers to share theirs.

Best,

Alberto

Florian
Coach
on Dec 02, 2024
1400 5-star reviews across platforms | 500+ offers | Highest-rated case book on Amazon | Uni lecturer in US, Asia, EU

Hi there,

Congrats! :-)

To make the most out of it and get a return offer, there are a few things you should do.

1. Perform well at your core tasks (ownership of your work, analytics, double checking your work, visualization, communication) and improve quickly (your manager and partners evaluate not only what you can do right now BUT how quickly you develop and what potential you have for the future.

1b. Learn from your peers, either by asking (don't be afraid to ask) and by observation.

2. Be visible in front of your team, client, partners, and office. Speak up, take the opportunities to lead meetings, present, and contribute your opinion (this is the single biggest reason why interns do not get a return offer if they fail to show that they are here).

3. Network, make sure people know you across the office/practice.

4. Manage your stress. Find a way to balance work and life. I have recorded a session for PrepLounge on this topic: https://youtu.be/4VK8wL_xsmQ?si=go1vmIEiAmwLz76T

5. Ask for feedback before sending stuff out to clients. Mistakes that happen internally are much less severe than mistakes that reach the client. Also, while mistakes are sometimes natural and unavoidable as a junior (because you face new situations and challenges), the important thing is to not repeat them. If you make a mistake and your manager points it out, make sure that you learn from it. They want to see your development potential!

Reach out if you want to learn more! I coach people on getting the entry right and have also written a book about the topic called Consulting Career Secrets. It's on Amazon.

All the best,

Florian

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