comparing models with non parametric test

[sammmy]

	model 1	model 2	model 3	model 4
variable 1	2	1	3	1
variable 2	1	2	2	2
variable 3	4	5	1	4
variable 4	5	4	4	5
variable 5	3	3	5	3

Dear all,

I fitted this models above on the same dataset and ranked the effect of the variables. I want to know which non parametric test is best suited as my H0: model 1=model 2= model 3= model 4.

And I will also appreciate any link to a related paper