The four approaches to knowing answers to research questions, according to Kerlinger, are:
a) Method of tenacity
b) Method of intuition
c) Method authority
d) Method of science
e) Method of creativity
f) Method of non-functionality
1
(a), (b), (c) and (d)
2
(b), (c), (d) and (e)
3
(b), (d) (e) and (f)
4
(c), (d), (e) and (f)