Please use the following link to view the journal article in order to answer the following question:

https://doi.org/10.1556/2006.4.2015.010

(PLEASE MAKE SURE YOU VIEWING THE CORRECT ARTICLE BEFORE ANSWERING CALLED:

Relationship of smartphone use severity with sleep quality, depression, and anxiety in university students BY KAD?R DEM?RC?*, MEHMET AKGNL and ABDULLAH AKPINAR)

Question:

What are the variables identified in this study? Check all that apply. Depression Level Sadness Anxiety Level Rumination O Smartphone Addiction Gender/Sex Sleep Quality Race/Ethnicity