UX research - or as it’s sometimes called, design research - informs our work, improves our understanding, and validates our decisions in the design process. In this Complete Beginner's Guide, readers will get a head start on how to use design research techniques in their work, and improve experiences for all users.
A one column layout will give you more control over your narrative. It should be able to guide your readers in a more predictable way from top to bottom. Whereas a multi column approach runs some additional risk of being distracting to the core purpose of a page. Guide people with a story and a prominent call to action at the end.