De or het staffelmethode?

The correct Dutch article is:

de staffelmethode

Rule Words ending in -ode: always de. See the rule

How to use staffelmethode

the staffelmethodede staffelmethode
this staffelmethodedeze staffelmethode
that staffelmethodedie staffelmethode
our staffelmethodeonze staffelmethode
your staffelmethodejouw staffelmethode
every staffelmethodeelke staffelmethode
which staffelmethode?welke staffelmethode?
a big staffelmethode / the big staffelmethodeeen grote staffelmethode, de grote staffelmethode