What have you worked hardest on in your life?

📐 Answer Framework

STAR

💬 Sample Answer

I spent three years tackling a challenging research topic in my university lab. I struggled when results didn’t come, but by doing extensive literature reviews and consulting my professors, I completed a study at the level of a conference presentation. It taught me persistence and problem-solving.

🎯 Strategy

Choose an experience that reflects your values and work ethic – ideally something with social context rather than just a hobby. Use STAR to structure it, and make sure to talk about the struggles and your specific actions, not just the happy ending. Connect the lesson to the role you’re applying for. Include numbers and concrete details to make it objective, and practice keeping it to about one minute.

⚠️ Common Mistakes

• ✗Choosing a hobby or trip that doesn’t show work-related qualities
• ✗Only talks about the result, not the effort or process
• ✗Ends with an abstract phrase like 'I tried my best'

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