The IDS-15 was developed to assess IA based on the IGD (DSM-5) definition.
The IDS-15 is a valid and reliable instrument to assess IA.
Internet users may be classed along a continuum with varying degrees of IA risk.
The phenomenon of IA is not black white and may be better understood as a continuum.
More research is needed to further validate the IDS-15 in other cultural contexts.