Fig. 1From: Problematic use of the Internet is a unidimensional quasi-trait with impulsive and compulsive subtypesDistributions of total scores on the Internet Addiction Test for the three classes in the Stellenbosch dataset: 1) Non-Problematic Users of the Internet (n = 1097); 2) Problematic Users of the Internet Impulsive subtype (n = 483); and 3) Problematic Users of the Internet Compulsive subtype (n = 81)Back to article page