cta – Is there any data on adding directional arrows to text links or buttons that help increase conversion?

Does anyone know of any data that backs up adding directional arrows to CTAs whether text links or buttons? I always personally felt it was just added noise or bespoke design aesthetic but I’m curious about this.

Here are some examples of buttons with directional arrows I am referring to.

Button with directional arrow

Text link with directional arrow

Button with directional arrow