Items where Author is "Groth, J"

Journal article

LACONI, S., URBÁN, R., KALISZEWSKA-CZEREMSKA, K., KUSS, D.J., GNISCI, A., SERGI, I., BARKE, A., JEROMIN, F., GROTH, J., GAMEZ-GUADIX, M., OZCAN, N.K., SIOMOS, K., FLOROS, G.D., GRIFFITHS, M.D., DEMETROVICS, Z. and KIRÁLY, O., 2019. Psychometric evaluation of the nine-item Problematic Internet Use Questionnaire (PIUQ-9) in nine European samples of internet users. Frontiers in Psychiatry, 10: 136. ISSN 1664-0640