I believe they're both fine. I can't be certain about the actual grammar behind it but to me they might belong to the category of generic nouns, for instance, you could say either "in the interest of the child (generic "child" representing all children) or "in the interest of children". They basically mean the same thing with possibly a difference in emphasis.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Anonymouswith a singular apostrophe because I view it as a collective.I don't follow this reasoning.
IvanhrAre you saying that "a man's world" is just an exception?No it is not an exception it follows the rule. For the possessive we add 's to singular nouns and just the apostrophe to plural nouns. "Man" is a singular noun.
Ivanhrnd what about all those instances of "kid's bikes" that you can find on the Internet? Are they all wrong?
LouiseT Names ending in s should be followed by s if singular and es if plural Charles's last name was Dickens.The Joneses' standards are not worth keeping up withquote