When to use deliberative decision-making — Research by Dijksterhuis shows that when you have simple decision to make you make better decisions when you use a logical deliberative method.

When to use intuitive decision-making — Research by Shiv shows that when you have a complicated decision to make, you make better decisions when you use an intuitive or “gut” method.

https://www.blog.theteamw.com/2010/02/03/100-things-you-should-know-about-people-25-trust-your-gut-or-be-logical-it-depends-on-your-mood/