Which correlation coefficient is better for this case , Pearsons's or Spearman's ?

I want to test the relationship between age (continues variable) and deppresion level which range from 1 to 6 (1=normal, 2=borderlin, 3=mild, 4=moderat, 5=sever, 6=extremely sever). I confused...

06 December 2018 3,636 5 View