Should drywall be nailed or screwed?

Answer: Drywall should be screwed in place.
Explanation: Nails crush the drywall when dimpled in, therefore will show over time as gravity from the weight of the drywall pulls on the crushed dimples. Plus nails tend to loosen slightly with movement or vibration causing "pops". Screws hold in place tightly without crushing the drywall.

Answer: Drywall should be screwed in place.
Explanation: It can be nailed. But I never use nails I screw everything

Answer: Drywall should be screwed in place.
Explanation: The reason why screws are used to hang drywall so it doesn't back out of the 2×4.

Answer: There is no significant difference.
Explanation: If hanging dry wall on the ceiling I think its best to screw it due to the weight but you can nail or screw for the walls

Answer: Drywall should be screwed in place.
Explanation: Using screws will prevent nail pops.

Answer: There is no significant difference.
Explanation: Drywall can be nail or screw, but I recommend screw in it so it will be stable for years.

Answer: There is no significant difference.
Explanation: It is up to the installer what his preference is mine is screw

Answer: Drywall should be screwed in place.
Explanation: I use nails to tack a piece of drywall into place but will finish fastening with drywall screws because they have superior holding properties.

Answer: There is no significant difference.
Explanation: Does not matter.

Answer: Drywall should be screwed in place.
Explanation: It is code , stronger

Answer: Drywall should be screwed in place.
Explanation: Drywall should be screwed down, back in the day nails were used that's why you see nails piping out with time, with screw this will never happen.