![Problematic mobile phone use: Validity and reliability of the Problematic Use of Mobile Phone (PUMP) Scale in a German sample - ScienceDirect Problematic mobile phone use: Validity and reliability of the Problematic Use of Mobile Phone (PUMP) Scale in a German sample - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2352853220301127-gr1.jpg)
Problematic mobile phone use: Validity and reliability of the Problematic Use of Mobile Phone (PUMP) Scale in a German sample - ScienceDirect
![PDF] Measuring Problematic Mobile Phone Use: Development and Preliminary Psychometric Properties of the PUMP Scale | Semantic Scholar PDF] Measuring Problematic Mobile Phone Use: Development and Preliminary Psychometric Properties of the PUMP Scale | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/90e7a715fce91e13b2d17ee89db569785cf1776f/5-Table3-1.png)
PDF] Measuring Problematic Mobile Phone Use: Development and Preliminary Psychometric Properties of the PUMP Scale | Semantic Scholar
![PDF] Measuring Problematic Mobile Phone Use: Development and Preliminary Psychometric Properties of the PUMP Scale | Semantic Scholar PDF] Measuring Problematic Mobile Phone Use: Development and Preliminary Psychometric Properties of the PUMP Scale | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/90e7a715fce91e13b2d17ee89db569785cf1776f/3-Table1-1.png)