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Featured researches published by Katalin Felvinczi.


PLOS ONE | 2012

The development of the Problematic Online Gaming Questionnaire (POGQ).

Zsolt Demetrovics; Róbert Urbán; Katalin Nagygyörgy; Judit Farkas; Mark D. Griffiths; Orsolya Pápay; Gyöngyi Kökönyei; Katalin Felvinczi; Attila Oláh

Background Online gaming has become increasingly popular. However, this has led to concerns that these games might induce serious problems and/or lead to dependence for a minority of players. Aim: The aim of this study was to uncover and operationalize the components of problematic online gaming. Methods A total of 3415 gamers (90% males; mean age 21 years), were recruited through online gaming websites. A combined method of exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) was applied. Latent profile analysis was applied to identify persons at-risk. Results EFA revealed a six-factor structure in the background of problematic online gaming that was also confirmed by a CFA. For the assessment of the identified six dimensions – preoccupation, overuse, immersion, social isolation, interpersonal conflicts, and withdrawal – the 18-item Problematic Online Gaming Questionnaire (POGQ) proved to be exceedingly suitable. Based on the latent profile analysis, 3.4% of the gamer population was considered to be at high risk, while another 15.2% was moderately problematic. Conclusions The POGQ seems to be an adequate measurement tool for the differentiated assessment of gaming related problems on six subscales.


Psychiatry Research-neuroimaging | 2014

Bifactor structural model of symptom checklists: SCL-90-R and Brief Symptom Inventory (BSI) in a non-clinical community sample

Róbert Urbán; Bernadette Kun; Judit Farkas; Borbála Paksi; Gyöngyi Kökönyei; Zsolt Unoka; Katalin Felvinczi; Attila Oláh; Zsolt Demetrovics

The Derogatis symptom checklist (SCL-90-R) and its short version, the Brief Symptom Inventory (BSI), are widely used instruments, despite the fact that their factor structures were not clearly confirmed. The goals of this research were to compare four measurement models of these instruments including one-factor, nine-factor, a second-ordered factor model and a bifactor model, in addition to testing the gender difference in symptom factors in a community sample. SCL-90-R was assessed in a large community survey which included 2710 adults who represent the population of Hungary. Statistical analyses included a series of confirmatory factor analyses and multiple indicator multiple cause (MIMIC modeling). The responses to items were treated as ordinal scales. The analysis revealed that the bifactor model yielded the closest fit in both the full SCL-90-R and BSI; however the nine-factor model also had an acceptable level of fit. As for the gender differences, women scored higher on global severity, somatization, obsession-compulsion, interpersonal sensitivity, depression and anxiety factors. Men scored higher on hostility and psychoticism. The bifactor model of symptom checklist supports the concept of global symptom severity and specific symptom factors. Global symptom severity explains the large correlations between symptom factors.


Cyberpsychology, Behavior, and Social Networking | 2013

Psychometric Properties of the Problematic Online Gaming Questionnaire Short-Form and Prevalence of Problematic Online Gaming in a National Sample of Adolescents

Orsolya Pápay; Róbert Urbán; Mark D. Griffiths; Katalin Nagygyörgy; Judit Farkas; Gyöngyi Kökönyei; Katalin Felvinczi; Attila Oláh; Zsuzsanna Elekes; Zsolt Demetrovics

The rise and growing popularity of online games has led to the appearance of excessive gaming that in some cases can lead to physical and psychological problems. Several measures have been developed to explore the nature and the scale of the phenomenon. However, few measures have been validated psychometrically. The aim of the present study was to test the psychometric properties of the 12-item Problematic Online Gaming Questionnaire Short-Form (POGQ-SF) and to assess the prevalence of problematic online gaming. Data collection was carried out to assess the prevalence of problematic online gaming in a national representative adolescent sample by using an offline (pen and pencil) method. A total of 5,045 secondary school students were assessed (51% male, mean age 16.4 years, SD=0.9 years) of which 2,804 were gamers (65.4% male, mean age 16.4 years, SD=0.9 years). Confirmatory factor analysis was applied to test the measurement model of problematic online gaming, and latent profile analysis was used to identify the proportion of gamers whose online game use can be considered problematic. Results showed that the original six-factor model yielded appropriate fit to the data, and thus the POGQ-SF has appropriate psychometric properties. Latent profile analysis revealed that 4.6% of the adolescents belong to a high risk group and an additional 13.3% to a low risk group. Due to its satisfactory psychometric characteristics, the 12-item POGQ-SF appears to be an adequate tool for the assessment of problematic online gaming.


International Journal of Mental Health and Addiction | 2017

Confirmation of the Chinese Version of the Problematic Internet Use Questionnaire Short Form (PIUQ-SF)

Beatrix Koronczai; Gyöngyi Kökönyei; Róbert Urbán; Orsolya Király; Katalin Nagygyörgy; Katalin Felvinczi; Mark D. Griffiths; Zheng Huang; Zsolt Demetrovics

Although an increasing number of studies have focused on problematic Internet use, numerous measures exist with only modest investigation into their reliability and validity, both within and across different cultures (Kiraly et al. 2015). The most frequently used questionnaire is the Internet Addiction Test (Young 1998). However, its factor structure appears to be unstable (e.g., Fernandez-Villa et al. 2015; Pontesetal. 2014). Koronczai et al. (2011) suggested that a suitable measure should fit six basic requirements. More specifically, it should be (i) comprehensive, that is examining more, possibly all, aspects of problematic Internet use; (ii) as concise as possible, in order to be able to assess the more impulsive population, and to use in time-limited surveys (or having different forms with different length). Such a measure should be (iii) reliable and valid for different methods of data collection (e.g. online, paper-and-pencil self-rating, face-to-face); as well as (iv) for different age groups (e.g. adolescents and adults), and (v) in different cultural settings. Finally, (vi) cut-off scores should be defined on the basis of clinical examination. The Problematic Internet Use Questionnaire (PIUQ) (Demetrovics et al. 2008) fulfills several of the aforementioned criteria. The 18-item PIUQ is a comprehensive measure that assesses three basic aspects of problematic Internet use (i.e., obsession, neglect, and control disorder). The 18-item and the shorter 9-item versions of the PIUQ have a reliable structure, and are suitable for time-limited surveys and have proved to be valid across various methods of data collection (i.e., online as well as paper-pencil) and age groups (Demetrovics et al. 2008; Koronczai et al. 2011). However, its implementation has so far mostly taken place in Western individualistic cultures (Kelley and Gruber 2010, 2013; Koronczai et al. 2011; Zahodne et al. 2011. To date, the PIUQ has also been applied in a survey in Iran with good Cronbach’s alpha coefficients and subscales (Mazhari 2012a, 2012b). Consequently, validation of the questionnaire in a culture that is significantly different from the Western culture is needed. Accordingly, the aim of the present study was the validation of the 9-item PIUQ among the Chinese population.


Drugs-education Prevention and Policy | 2017

A mixed-methods analysis of online NPS user discussion in Hungary

Zsuzsa Kaló; Levente Móró; Zsolt Demetrovics; Katalin Felvinczi

Abstract Aim: Our study’s aim was to identify a method which can properly reveal the different layers of the novel psychoactive substances (NPS) phenomenon appearing in the online discussion fora. Besides (i) evaluating the extent of potential peer-help harm reduction within NPS fora discussants, we also aimed (ii) to understand the main purposes of NPS use among the discussion participants, (iii) to chart their knowledge of and attitude towards the legality of the substances traded and used and (iv) to explore the feelings and consumer decision making processes on the NPS market. Methods: A mixed-methods analysis and a sequential explanatory strategy were applied on the dataset of Hungarian NPS discussion fora. The initial qualitative data collection, netnography and thematic analysis were carried out to reveal emerging topics. Findings: The discussion’s main topic was vendor reliability and fraud, with more negative than positive phrases attached. Discussants showed low levels of literacy, weak knowledge of substance legality and inadequate resources to provide peer-help harm reduction. Drug use purpose was mainly to “escape from reality”, not positively toned recreation. Conclusion: Efficient indicated prevention interventions and harm reduction measures are needed to target disadvantageous online NPS user groups having little or no resources for self-help.


Psychiatry Research-neuroimaging | 2018

Social rejection towards mentally ill people in Hungary between 2001 and 2015: Has there been any change?

Tzipi Buchman-Wildbaum; Borbála Paksi; Edit Sebestyén; Bernadette Kun; Katalin Felvinczi; Ágoston Schmelowszky; Mark D. Griffiths; Zsolt Demetrovics; Róbert Urbán

Despite the improving mental health literacy of the public over recent years, peoples attitudes towards people with the diagnosis of mental illness do not appeared to have changed. Long-term studies are scarce and mainly limited to Northwestern Europe. Given that no study has ever been carried out in Hungary, the present study examined attitudinal trends towards mentally ill people in the country, and evaluated its determinants using one item of the Social Distance Scale to assess social rejection towards others. National representative surveys of Hungarian adults were conducted in 2001, 2003, 2007 and 2015 (n = 7605). By means of interview and a self-administered questionnaire, socio-demographic information, preferences for social distance, and familiarity with mental illnesses were assessed. Trend analysis demonstrated that no meaningful change had occurred in the desire for social distance over a period of 15 years. Being a woman, having low education level, and lower familiarity with mental illnesses were all related to higher preferences for social distance. However, the explanatory power of these factors was very small (4.2%). As found in other countries, attitudes towards mentally ill people have not changed in Hungary. More effort is needed to understand better and overcome social rejection concerning mental illness.


International Journal of Mental Health and Addiction | 2018

Health and Social Problems Associated with Recent Novel Psychoactive Substance (NPS) Use Amongst Marginalised, Nightlife and Online Users in Six European Countries

Marie Claire Van Hout; A. Benschop; Michał Bujalski; Katarzyna Dąbrowska; Zsolt Demetrovics; Katalin Felvinczi; Evelyn Hearne; Susana Henriques; Zsuzsa Kaló; Gerrit Kamphausen; D.J. Korf; Joana Silva; Łukasz Wieczorek; Bernd Werse


European Neuropsychopharmacology | 2018

Stigmatic attitudes towards mentally ill patients in Hungary between 2001 and 2015: results of a time-trend analysis

T. Buchman-Wildbaum; Borbála Paksi; E. Sebestyén; Bernadette Kun; Katalin Felvinczi; Ágoston Schmelowszky; Mark D. Griffiths; Zsolt Demetrovics; Róbert Urbán


European Neuropsychopharmacology | 2017

Evaluating stigmatic attitudes towards mentally ill patients and their underlying factors in Hungary

T. Buchman-Wildbaum; Borbála Paksi; E. Sebestyén; Bernadette Kun; Katalin Felvinczi; Ágoston Schmelowszky; Zsolt Demetrovics; Róbert Urbán


Psychiatria Hungarica : A Magyar Pszichiátriai Társaság tudományos folyóirata | 2012

The epidemiological, etiological and motivational aspects of alcohol use and binge drinking: Review of literature

Judit Farkas; Zsófia Németh; Róbert Urbán; Gyöngyi Kökönyei; Katalin Felvinczi; Emmanuel Kuntsche; Zsolt Demetrovics

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Zsolt Demetrovics

Eötvös Loránd University

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Róbert Urbán

Eötvös Loránd University

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Borbála Paksi

Corvinus University of Budapest

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Judit Farkas

Eötvös Loránd University

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Mark D. Griffiths

Nottingham Trent University

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Bernadette Kun

Eötvös Loránd University

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Attila Oláh

Eötvös Loránd University

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