Bart always mentions in his talks:
✔ Know your test calculations: ABtestguide.com/calc
✔ Outsource your A/B-test development: Testing.Agency
✔ Hire Bart and his team to: grow your business!
PS: we have a master of online persuasion course - 8 days. In our office, for your team or online! Contact us at firstname.lastname@example.org
By Ton WesselingCEO Testing.Agency & Chief Optimization Officer - Online Dialogue