This is a quintessential problem-solving question. Your answer should highlight your analytical process, not just the solution itself. Show the interviewer how you think.

Question: “Describe a complex problem you solved.”

STAR Method Breakdown:

• (S)ituation: “When I joined my last company as a marketing analyst, I noticed that our website’s user engagement metrics were high, but our lead conversion rate was inexplicably low. The team had assumed it was a traffic quality issue.”
• (T)ask: “My task was to identify the real root cause of the low conversion rate and propose a solution to increase qualified leads by at least 15% within one quarter.”
• (A)ction: “Instead of assuming it was a traffic issue, I decided to analyze the user journey. I used a heat mapping tool to track user behavior on our key landing pages. The data showed that over 80% of users were dropping off right after they clicked the ‘Request a Demo’ button. I discovered our demo request form had 15 fields, including some that were not essential. I hypothesized this was creating too much friction. I proposed an A/B test where we would pit the original form against a new version with only 5 essential fields.”
• (R)esult: “The results were immediate and dramatic. The landing page with the 5-field form had a 45% higher conversion rate. We rolled out the shorter form across all relevant pages, and by the end of the quarter, our overall marketing-qualified leads had increased by 22%, far exceeding the initial goal.”

For more detailed answers, review our STAR Method Example: Problem-Solving .

This example supports the article Problem-Solving Behavioral Questions .