Measuring Problematic Mobile Phone Use: Development and Preliminary Psychometric Properties of the PUMP Scale
Table 1
Pearson correlations between PUMP Scale, CPDQ, CUQ, and self-assessment items.
Item
PUMPS total score
P
CPDQa total score
.755
<.001
CUQb,c
How frequently do you typically use the email function on your phone?
.225
<.001
How frequently do you typically use the internet feature of your phone?
.312
<.001
How frequently do you use the games feature of your cell phone?
.203
.002
How often do you talk on the phone while driving?
.411
<.001
How often do you write text messages or emails while driving?
.612
<.001
Self-assessment questions
I sometimes think that I might be “addicted” to my cell phone.
.733
<.001
I use my cell phone more often than other people I know.
.609
<.001
Friends or family members have commented to me about my cell phone use.
.626
<.001
CPDQ refers to the cell phone dependency tendency questionnaire. CUQ refers to the cell phone use questionnaire. All CUQ item responses ranged from 1= never to 6= constantly.