
Decode and Conquer

P-value is a measure of whether our results are statistically valid. That is, with a sufficient p-value, we know that our results can’t be explained by something other than the feature changed specified in the A/B test. Typically, I am comfortable accept data with a p-value less than . 05.
Lewis Lin • Decode and Conquer
Evaluating A/B tests with p-value significance
Of his 10 design principles, I’ve bolded the best ones to cite: innovation, utility, ease of use and sense of honesty. Approach any product design critique by: Revealing your design criteria. Cap it to three principles. Explaining how the product may or may not meet your criteria. Being specific, offering evidence, and contrasting with similar prod
... See moreLewis Lin • Decode and Conquer
Design critique question
One way to get inspiration is to look at competing sites. Another way is to reference a design pattern library. Design patterns are documented solutions to common problems. For instance, there are common user interface solutions for news feeds, listing pages, and navigation menus.
Lewis Lin • Decode and Conquer
Top for designing wireframes
Start by thinking how these companies make money and the critical drivers to the business. Then, consider how the competition, the new acquisition, or complementary product can affect those particular business drivers.
Lewis Lin • Decode and Conquer
Answering CEO strategy questions
When it comes to strategy, the most prevalent and satisfying analysis tool is pro/con analysis. As the name implies, it’s satisfying because it feels objective.
Lewis Lin • Decode and Conquer
Evaluating trade offs
If you want to really impress the interviewer, redesign a web page at home, using your favorite mockup tool whether it’s Balsamiq, Adobe Photoshop, or Microsoft PowerPoint. Bring copies of your visuals to the interview, and subtly introduce your redesign at the beginning of the interview. You can say, “When I was preparing for the interview, I coul
... See moreLewis Lin • Decode and Conquer
When it comes to pricing, the most important number to know is the customer’s willingness to pay.
Lewis Lin • Decode and Conquer
As part of understanding customer needs, you may have to delve into a customer’s work flow with their existing solutions. To find areas of improvement, you’ll have to understand obstacles they are facing and gaps that existing solutions have left open.
Lewis Lin • Decode and Conquer
Ask “the 5 whys” to determine root issues with processes
convince us that you were the front-line owner and driving, not a participant who was lingering in the back-row, several steps removed from the core action and the results.
Lewis Lin • Decode and Conquer
Go through it and make it action oriented