Nomophobia is defined as the fear of being out of mobile phone contact and is
considered a modern age phobia introduced to our lives as a byproduct of the interaction
between people and mobile information and communication technologies, especially
smartphones. This research study sought to contribute to the nomophobia research literature
by identifying and describing the dimensions of nomophobia and developing a questionnaire
to measure nomophobia. Consequently, this study adopted a two-phase, exploratory
sequential mixed methods design. The first phase was a qualitative exploration of
nomophobia through semi-structured interviews conducted with nine undergraduate students
at a large Midwestern university in the U.S. The qualitative findings from this initial
exploration were then developed into a questionnaire measuring nomophobia. In the second
phase of the study, the nomophobia questionnaire (NMP-Q) was tested with a large sample
of 301 undergraduate students.