1 False
2 True
3 False
4 True
Explanation:
In 1, a function is supposed to have a positive effect on the society which is not said in the statement.
in 2, a dysfunction is a negative consequence of an element in a social system.
In 3, This is the definition of a manifest function. latent functions are unintended but useful. The consequence is not recognized but ends up being a positive for the society.
In 4, Theory indeed is an explanation, proved or unproved of relationship between particular phenomena.