4 Tests By Oshri Maidanik

  Head of Data @ PDQ     Website

Tests

Test #678 by Oshri MaidanikOshri Maidanik Oct 30, 2026 Desktop Mobile X.X% Sales

Oshri Tested Pattern #66: Complementary Upsell

Pattern #66: Complementary Upsell - Variant A
Pattern #66: Complementary Upsell - Variant B

In this checkout experiment, an upgrade offer was added directly above the contact and delivery form. Below the express checkout buttons, the variant showed the item already in the cart (a single bottle priced at $28) and invited shoppers to upgrade to a 3-month supply for only $8 more. The bundle was shown at $36 next to a crossed-out $60, with arrows to browse other upgrade options and a prominent “Upgrade” button. As a result, the standard checkout form was pushed further down the page, behind a second “OR” divider. Imact on completed orders was measured.

Total Sample: 8,344 • Statistical Power at 5% MDE: 77.1%

Test #672 by Oshri MaidanikOshri Maidanik Sep 30, 2026 Desktop Mobile X.X% Sales

Oshri Tested Pattern #42: Countdown Timer

Pattern #42: Countdown Timer - Variant A
Pattern #42: Countdown Timer - Variant B

This experiment ran on an ecommerce store utilizing Shopify's checkout. The treatment compared the checkout experience with and without a limited-time countdown timer. Impact on placed orders was measured. The A/B test ran using PrettyDamnQuick software.

Total Sample: 27,125 • Statistical Power at 5% MDE: 99.9%

Test #668 by Oshri MaidanikOshri Maidanik Sep 13, 2026 Desktop Mobile X.X% Sales

Oshri Tested Pattern #42: Countdown Timer

Pattern #42: Countdown Timer - Variant A
Pattern #42: Countdown Timer - Variant B

This experiment ran on an ecommerce store utilizing Shopify's checkout. The treatment compared the checkout experience with and without a limited-time countdown timer. Impact on placed orders was measured. The A/B test ran using PrettyDamnQuick software.

Total Sample: 8,344 • Statistical Power at 5% MDE: 76.7%

Test #664 by Oshri MaidanikOshri Maidanik Aug 12, 2026 Desktop Mobile X.X% Sales

Oshri Tested Pattern #4: Testimonials

Pattern #4: Testimonials - Variant A
Pattern #4: Testimonials - Variant B

This experiment ran on an ecommerce store utilizing Shopify's checkout. The treatment showed a single testimonial and impact on placed orders was measured. The A/B test ran using PrettyDamnQuick software.

Total Sample: 37,103 • Statistical Power at 5% MDE: 99.9%