Zoltán Kmetty

• PhD
• PostDoc Position at Hungarian Academy of Sciences

For the very first time in EU history, the 2014 EP elections provided citizens with the opportunity to influence the nomination of the Commission President by casting a vote for the main Europarties’ ‘lead candidates’. By subjecting the position of the Commission President to an open political contest, many experts have formulated the expectation t...

Background: Phillips and Feldman reported a decline in suicides leading up to the American presidential elections, but Wasserman argued that elections had no impact on suicide. Aims: The present study explored the impact of elections on suicides in Hungary. Method: The study examined changes in the number of suicides in Hungary during the period 19...

1 1. Problémafelvetés Jelenleg megközelítőleg 120 000 – 150 000 diplomás magyar dolgozik a világ országaiban 2 , harmaduk 1990-óta hagyta el Magyarországot. A diplomás kivándorlásra a nemzetközi szakirodalom a brain-drain kifejezést használja, amit agyelszívásként fordíthatunk magyarra. A folyamat során a tudás elit egy része kivándorol a küldő ors...

The present study analyzed a large sample of 133,421 suicides in Hungary (for the period 1970–2002) for the birthday blues phenomenon. The number of suicides taking place on the individuals’ birthdays was compared with the number expected using chi-square tests. More suicides occurred on birthdays for men of all ages and for women over the age of 6...

Our study focuses on the late night TV watching habits of children, with special emphasis on the impact of ratings for age appropriateness. Unlike in the United States, in Hungary it is the parents who are primarily responsible for „locking away” content rated as age inappropriate from their children. Results from earlier Hungarian research indicat...

Working time reduction (WTR), particularly in the form of a four-day workweek, has emerged as a topical issue in the future-of-work discourse amplified by the Covid-19 pandemic. This is relevant from a sustainability perspective since WTR has long been considered as potentially beneficial for the environment. Utilising Framing Theory, we study the...

Willingness measures are widely employed in vignette and conjoint experiments. However, the predictive validity of these measures relies on the degree to which expressed intentions correspond with behavior in the real world. This study uses a unique research design that enables to validate an intention measure. In a 2022 online survey, respondents...

Measurements of political polarization online have so far been largely focused on visible traces accessible through platformAPIs,while neglecting invisible traces not recorded or otherwise unavailable via online channels, which can reveal key aspects of political engagement online. Our study aims to address this gap by investigating the polarizatio...

This study examines the values of religious and non-religious people in Central and Eastern Europe over the past thirty years. It focuses on changes in perceptions of gay people and explores how the emergence of sexual orientation in public discourse has influenced its acceptance or rejection. The research highlights a specific duality in the regio...

Transformer-based machine learning models have become an essential tool for many natural language processing (NLP) tasks since the introduction of the method. A common objective of these projects is to classify text data. Classification models are often extended to a different topic and/or time period. In these situations, deciding how long a class...

Research into digital platforms has become increasingly difficult. One way to overcome these difficulties is to build on data access rights in EU data protection law, which requires platforms to offer users a copy of their data. In data donation studies, researchers ask study participants to exercise this right and donate their data to science. How...

Measurements of political polarization online have so far been largely focused on visible traces accessible through platformAPIs,while neglecting invisible traces not recorded or otherwise unavailable via online channels, which can reveal key aspects of political engagement online. Our study aims to address this gap by investigating the polarizatio...

Missing data is an inevitable aspect of every empirical research. Researchers developed several techniques to handle missing data to avoid information loss and biases. Over the past 50 years, these methods have become more and more efficient and also more complex. Building on previous review studies, this paper aims to analyze what kind of missing...

This paper foregrounds the use of “Living Labs” as instruments for the delivery of just low carbon transformations. Living Labs are commonly understood as stakeholder-centred, iterative and open-innovation ecosystems that involve multiple forms of co-creation and engagement among different actors in a given territory. Over a period of three years,...

Amidst a flood of new survey results, people selectively determine which results to trust. These decisions may be shaped by perceived methodological quality, the survey’s sponsor or platform, and various individual political and non-political characteristics. This study examined the factors that drive trustworthiness assessments of survey results i...

Missing data is an inevitable aspect of every empirical research. Researchers developed several techniques to handle missing data to avoid information loss and biases. Over the past 50 years, these methods have become more and more efficient and also more complex. Building on previous review studies, this paper aims to analyze what kind of missing...

Social media data donation through data download packages (DDPs) is a promising new way of collecting individual-level digital trace data with informed consent. Nevertheless, given the novelty of this approach, little is known about whether and how people would share their data with researchers, although this could seriously affect selection bias a...

Social media data donation through data download packages (DDPs) is a promising new way of collecting individual-level digital trace data with informed consent. Nevertheless, given the novelty of this approach, little is known about whether and how people would share their data with researchers, although this could seriously affect selection bias a...

Transformer-based machine learning models have become an essential tool for many natural language processing (NLP) tasks since the introduction of the method. A common objective of these projects is to classify text data. Classification models are often extended to a different topic and/or time period. In these situations, deciding how long a class...

Experts state an increasing trend toward vaccination hesitancy in the last decade, which also seems tangible concerning COVID-19 vaccines. The impact of online media on this trend is expanding; social media is one of the top sources for seeking and sharing health-related information. One of the most widely disseminated topics of health-related onli...

Experts state an increasing trend toward vaccination hesitancy in the last decade, which also seems tangible concerning COVID-19 vaccines. The impact of online media on this trend is expanding; social media is one of the top sources for seeking and sharing health-related information. One of the most widely disseminated topics of health-related onli...

This study explores the role of social spaces in the religious worldview in the Central and Eastern European region through a comprehensive study of values spanning nearly three decades. The analysis focuses on the differences between the values of religious and non-religious people in different social spaces during this period. Drawing on the insi...

Community resilience and social support relationships – An analytical approach and research results based on long-term series analysis of communities affected by the red sludge disaster One of the most serious consequences of disasters is the disruption or even the loss of social support relationships. Hence, this paper analyses the social support...

A katasztrófák egyik legsúlyosabb következménye a társadalmi támogató kapcsolatok zavara, vagy még inkább, azok elvesztése. Tanulmányunkban a segítő kapcsolatokat mint a közösségi reziliencia erőforrás attribútumait vizsgáltuk a vörösiszap-katasztrófa közvetlen (180 fő) és közvetett (180 fő) károsultjainak személyes megkérdezésen alapuló, 2013-ra é...

Although other social media platforms have seen a steeper increase in users recently, Facebook is still the social networking site with the largest number of users worldwide. A large number of studies from the social and behavioral sciences have investigated the antecedents, types, and consequences of its use. In addition or as an alternative to se...

The role of networks has been growing attention in recent decades in explaining political behaviour. Political nexus aspects also get on the agenda in studying various resources of status attainment. Despite the general realization of these relevant network implications, some conceptual and measurement issues are still debatable. In this paper, we...

Question order effect refers to the phenomenon that previous questions may affect the cognitive response process and respondents’ answers. Previous questions generate a context or frame in which questions are interpreted. At the same time, in online surveys, the visual design may also shift responses. Past empirical research has yielded considerabl...

Depression is one of the major mental health problems in the world and the leading cause of disability worldwide. As people leave more and more digital traces in the online world, it becomes possible to detect depression-related behavior based on people’s online activities. We use a novel Facebook study to identify possible non-textual elements of...

In this study, we use a parallel mixed-method data collection: a face-to-face survey combined with personal Facebook data archive collection. Our paper is the first attempt to cross-validate the self-reported musical preference with Facebook-based music preference classification. We primarily focused on operationalization-related questions and vali...

More and more digital data is being generated every day, and more and more social scienceanalyses are using Twitter, Instagram, or Facebook data. Many international and national studieshave already explored the social science opportunities and dilemmas raised by the phenomenonof ‚big data’ - but the issue of ‚access to data’ has only been touched u...

A tanulmány azt mutatja be, hogy miként használhatók a vektortérmodellek a társadalomtudományi kutatásokban. Az első két fejezet a módszer alapvetéseit és a történeti evolúcióját tárgyalja, illetve rövid áttekintést ad a matematikai hátteréről és az alkalmazását övező dilemmákról. Részletesen ismerteti a word2vec-, fastText- és GloVe-algoritmusokat...

Research on social stratification is closely linked to analyzing the prestige associated with different occupations. This research focuses on the positions of occupations in the semantic space represented by large amounts of textual data. The results are compared to standard results in social stratification to see whether the classical results are...

Az adatforradalomnak köszönhetően jelentős átalakulások zajlottak le az elmúlt évtizedekben, és zajlanak ma is a népszámlálások módszertanában Európa-szerte. Egyre több ország hagyja maga mögött a hagyományos, megkérdezésen alapuló módszert és váltja ki regiszterek használatával. Több európai országban ma már teljes egészében regiszteralapúak a nép...

Questionnaire design choices, such as handling ‘do not know’ answers or using check all that apply questions may impact the level of item- and unit nonresponse. We used experimental data from an online panel and the questions of ESS to examine how applying forced answering, offering DK/NA options and specific question formats (CATA vs. forced choic...

A korrupció hazai online médiareprezentációjának vizsgálata természetes nyelvfeldolgozással Cikkünk a korrupció hazai online médiareprezentációjának tematikus elemzését mutatja be szövegbányászati megközelítést, azon belül is dinamikus topikmodellezést alkalmazva. Szövegkorpuszunkat a K-Monitor cikkgyűjteménye adta, amely korrupciógyanús, valamint...

The article offers an empirical analysis of the disrespectful online comments-in total, 17,581,659-in Hungary between 2017 and 2019. Considering the name-calling and obscene and abusive phrases as communication practice, we rely on computational linguistics to investigate incivility in comments posted on online news stories and news portals' social...

A tanulmány azt kutatja, hogy a kormányzati politikától megerősítést kapott vallásosság milyen jegyekkel rendelkezik Magyarországon. A kutatás a társadalmi cselek vők értékrendjét az államilag szankcionált és nem szankcionált normaszegésekhez fűződő viszonyon keresztül értelmezi. A reprezentatív minta eredményei több dimenzióban is egy fajta szekul...

The phenomenon of suicide has been a focal point since Durkheim among social scientists. Internet and social media sites provide new ways for people to express their positive feelings, but they are also platforms to express suicide ideation or depressed thoughts. Most of these posts are not about real suicide, and some of them are a cry for help. N...

In crises, the importance of solidarity becomes crucial. Religious organizations, as members of civil society, have an essential role in promoting and participating in solidarity action. Dominant religious organizations thus can have the power to shape the image of solidarity in a crisis and, by creating a dominant narrative, to strengthen their so...

Az elmúlt évtizedben több publikáció jelent meg a magyar fiatalok és ezen belül az egyetemisták és főiskolások pártválasztásáról. Ezek az elemzések utalnak arra, hogy a fiatalok útja a pártokhoz összefügghet a kibocsátó család összetételével, a szociokulturális környezettel, a kortárs csoport összetételével, de az iskolarendszer szocializációs mech...

Cikkünkben a „Big Data” paradigma térnyerésével párhuzamosan rohamosan terjedő természetesnyelv-feldolgozási (NLP) módszereket tekintjük át. Bemutatjuk a társadalomkutatási szempontból leginkább perspektivikus eszközöket, a hozzájuk illeszthető társadalomkutatási kérdéseket és azokat a technikai-módszertani jellegzetességeket, amelyek a klasszikus...

The analysis of social discourses from the perspective of historical changes deserves special attention. Such a study could play a key role in revealing social changes and latent narrative of those in power; and understanding the underlying social dynamic in a given period. Until the recent years, such issues were analyzed mainly in a qualitative a...

This article explores the features of religiousness as it is supported by governmental policies in Hungary. The research interprets the values held by social actors in terms of their relationship to violations of norms that are sanctioned and those that are not sanctioned by the state. The analyses of our representative sample revealed a type of se...

https://arxiv.org/abs/2005.08612 Research on social stratification is closely linked to analysing the prestige associated with different occupations. This research focuses on the positions of occupations in the semantic space represented by large amounts of textual data. The results are compared to standard results in social stratification to see...

Our study aimed to approach validity issues that arise both in the case of surveys and Facebook data. We conducted a novel parallel data collection method, rarely used before, which combines a face-to-face survey with the collection of personal FB data archives. We show the research potential of using these alternative data sources together. We sho...

A tanulmány azt kutatja, hogy a kormányzati politikától megerősítést kapott vallásosság milyen jegyekkel rendelkezik Magyarországon. A kutatás a társadalmi cselekvők értékrendjét az államilag szankcionált és nem szankcionált normaszegésekhez fűződő viszonyon keresztül értelmezi. A reprezentatív minta eredményei több dimenzióban is egyfajta szekular...

Tanulmányunkban egy országosan reprezentatív kérdőíves kutatás segítségével vizsgál-juk, hogy a kulturális mindenevőség kimutatható-e kifejezetten a zenei ízlés tekintetében a magyar tár-sadalomban. A megkérdezettek ízlésbeli preferenciáit különféle műfajú zenei részletek meghallgatásával vizsgáltuk, majd látens profilelemzés segítségével csoportos...

The analysis of social discourses from the perspective of historical changes deserves special attention. Such a study could play a key role in revealing social changes and understanding the underlying social dynamic in a given period. Mostly qualitative approaches were used previously to perform such an analysis. In our paper we present a new way o...

Our poster present a possible way to collect Facebook data after the restriction on Facebook graph API.

A szakirodalom számos olyan okot ismer és sorol fel, amely megnöveli vagy lecsökkenti az öngyilkosságok kockázatát. Ebben a könyvben több aspektusból is vizsgálják a szerzők ezeket a tényezőket. Tanulmányunkban, mi a jeles napokra koncentrálunk, tehát azokra a személyes vagy társadalmi eseményekre, amelyek megváltoztatják, vagy megváltoztathatják a...

Extant literature concludes that corruption may have a devastating effect on economic growth and institutional trust in transitional democracies, but scholars remain divided on how malfeasance influences political behavior. In this article, we explore the likelihood of a mobilization effect of corruption in a post-communist setting. We argue that t...

Absztrakt A tanulmányban a Budapest Pride médiareprezentációját, valamint a reprezentáció LMBTQ+ emberek és jogaik iránti attitűdökre gyakorolt hatását vizsgáljuk. Kutatásunkban televíziós hírműsorok Pride-tudósításait elemeztük, továbbá 1000 fős online lakossági mintán végeztünk médiakeretezést szimuláló, kísérleti kezelé-seket tartalmazó kérdőíve...

The study joins the stream of the social network approach attempting to look beyond micro-level association patterns towards macro-structural modeling. Utilizing the versatility of the occupational position generator technique for measuring network resources generally related to hierarchical aspects, an attempt is made to apply the tool for horizon...

Online supplement: Mapping social milieus and cohesion patterns between 1997 and 2014 Exploiting the potential of an occupational position generator

Introduction Findings concerning the effects of moon phases and sun activity on suicide are mixed in the international literature. Aim Our aim was to examine the hypothesised effects according to gender and age on Hungarian data covering more than 30 years. Methods Time series ARIMA models and dynamic regression models were applied in our analysi...

A digitális adatrögzítés, a közösségi média, a dolgok internete (Internet of Things, IoT) és összességében a digitalizáció olyan mennyiségű adatot generált, ami korábban elképzelhetetlen lett volna. Az adattudomány teljesen új perspektívája nyílt meg, amelynek a lehetőségei és a határai sem láthatóak még. Mivel a nagy adatbázisok (Big Data) feldolg...

In the recent national election in April 2018 in Hungary, the incumbent party (Fidesz) won again.During the campaign period, some of the media were full of stories about the scandals and corruption affairsof Fidesz. However, election results showed that these scandals did not decrease incumbent party support.What is the potential explanation for th...

In this article, we define a schema for the class structure of Hungary, in which we consider a case for an Eastern-European capitalist system emerging from post-communist societies. Our schema is based on the findings of the Hungarian Class Survey, 2014. Using six measures of Bourdieusian economic, cultural, and social capital and applying the meth...

Building on a decade-long comparative database of the European Social Survey the present study targets general aspects of satisfaction across larger regions of Europe with special regard to the socioeconomic changes in the recent decades. Conventionally cultivated measures like central tendency are supplemented by structural parameters of distribut...

Questionnaire of the Political Position Generator survey method. The module was used in the 2015 survey of the online tracking series German Longitudinal Election Studies (GLES T27). Available Database: Schoen, Harald, Roßteutscher, Sigrid, Schmitt-Beck, Rüdiger, Weßels, Bernhard, Wolf, Christof, Henckel, Simon, Bieber, Ina (2015). Langfrist-Online...

In this article, we focus on the changes of network structures in Hungary, making use of a series of surveys covering a period of nearly 30 years from 1987 to 2015. Using the name-generator network technique, our main focus is on patterns of homophily and social distance with regard to some sociodemographic and resource-type variables. Two methods...

The effect of social network on status attainment is a well-known phenomenon in the literature. But different aspects of social network play different role in the process. Network ties are capable of opening vertical mobility channels as they can play a key role in getting better positions, but in less advantageous groups, network influence could a...

With the roll-out of smart meters across the EU comes the opportunity for more tailored, informative feedback to be offered to domestic consumers regarding their energy consumption. To maximise the energy saving potential of this feedback, it must be accompanied by relevant, interesting advice. In this paper, we explore a mechanism for more effecti...

Presenting NATCONSUMERS H2020 reserach project results

Presenting NATCONSUMERS H2020 reserach project

Presenting our working paper about exploiting the potential of an occupational position generator.

Is it possible that a general negative social climate exists, which, on the one hand, manifests itself in the number of suicides committed, and on the other hand, appears in the content of tweets posted on social media? In this paper, we are attempting to identify the seasonal and weekly patterns of suicide-related tweets and compare them with simi...

NATCONSUMERS’ key aim is to develop an economically and technologically feasible, advanced and complex user-centred framework to help decrease domestic energy consumption. Within this framework, the project has conducted surveys to find the most relevant drivers behind energy saving attitude. Four countries were chosen for the survey: the UK, Hun...

This handbook has been produced as a guide to the NATCONSUMERS framework. It provides readers with a background of what must be considered to generate e ective energy e ciency advice, built upon the ndings from our research and user- engagement throughout the NATCONSUMERS project. It also provides readers with a step-by- step guide to the NATCONSUM...

The role of social networks in social integra on can be diverse. They can help the a ainment of di erent statuses; prevent someone from social exclusion through social support; or help the macro integra on of the society through the bounding of di erent and distant groups. In this paper, we examine how the di erent network aspects (and the methods...

Theoretical Background The research of suicide examine the possible risk factors of suicide in a very wide aspect. Researches that examined the possible impact of lunar-cycles to suicide have been published as far back as the 60-s. The earlier works in this topic brought mixed results, but they rather strengthen the hypothesis that the full moon wh...

Background and objectives: There are many ecological studies in the literature which have reported inverse connections between suicide rates and the use of antidepressants (ADs), suggesting that the increase in antidepressant use could be the cause of the decrease in suicide rates. (“antidepressant theory”). Methods: Authors in an earlier study has...

A szerzők az öngyilkosságok és az antidepresszív szerek forgalma közötti összefüggés problémáit vizsgálták az ökológiai vizsgálatok irodalmára koncentrálva. Több gyakorlati és elméleti problémát találtak, amelyek megkérdőjelezik az ún. antidepresszív teóriát, amely szerint egy adott populációban az antidepresszívumok (AD-k) emelkedő használata a cs...

Elkötelezettek.. A Fidesz egyetemista szavazóbázisának struktúrája

Defining integration and segregation mechanisms through network structures

Problémafelvetés: Az öngyilkosságok csökkenését a pszichiátriai szakma egy része csaknem kizárólag az új antidepresszív (AD) szerek folyamatosan növekvő használatával magyarázza. Ennek bizonyítására számos ökológiai vizsgálat is történt, ezek módszertanai és statisztikai szempontból azonban a legtöbb esetben hibás előfeltevésekből indultak ki. Jele...

This report presents the place of socio-demographic and attitudinal classification within the NATCONSUMERS segmentation engine. It deals with the ways to effectively and efficiently define the argumentation for changing consumption habits. Last but not least, it presents the golden questions, which help to efficiently reproduce consumer classificat...

This report presents the place of socio-demographic and attitudinal classification within the NATCONSUMERS segmentation engine. It deals with the ways to effectively and efficiently define the argumentation for changing consumption habits. Last but not least, it presents the golden questions, which help to efficiently reproduce consumer classificat...

NATCONSUMERS will develop a methodology to communicate more effectively with consumers by using ‘Natural Language’. With the rollout of smart metering across Europe, the project will look at incorporating smart meter data to provide households with advice. This advice will be designed to raise awareness about how people use energy within their home...

This report presents the place of socio-demographic and attitudinal classification within the NATCONSUMERS segmentation engine. It deals with the ways to effectively and efficiently define the argumentation for changing consumption habits. Last but not least, it presents the golden questions, which help to efficiently reproduce consumer classificat...

The paper analyzes the structure of political attitudes in Europe from the point of view of party elite configurations, and concludes that the covariation of attitudes is best captured by a five-or a six-dimensional model. Left-right identification could be well interpreted in terms of two dimensions. Xenophobia and Euroscepticism converged between...

Corruption and political participation in Hungary - Testing civic engagement

Mapping social milieus and cohesion patterns - Exploiting the potential of occupational position generator

Kmetty Zoltán a választói magatartást veszi górcső alá. Kutatásában a szavazók egyéni kapcsolatrendszerét köti össze a bal-jobb ideológiai törésvonallal. A méretgenerátoros módszerre támaszkodó vizsgálat legfontosabb eredménye, hogy a bal-jobb törésvonal továbbra is jelentős, és jól láthatóan a választópolgárok kapcsolatrendszerét is meghatározza....

Absztrakt A kapcsolathálózati megközelítés kétségkívül nagy divatját éli a mai szociológiában. Erre reflektálva egy-mással párhuzamosan több olyan kutatási módszer is kialakult, ami a kapcsolathálózatok mérésére koncentrál. Ezek a módszerek azonban elsősorban nem egymás alternatívái, sokkal inkább speciális kutatási célok elérését lehetővé tevő kon...

Polarization, discourse and cleaveages in the political space

Several studies pointed out the positive effects of social capital in the last 10 to 20 years. Nevertheless, only minor emphasis was put on the formation of social capital. Most authors implicitly presume an effect of socialisation in the background of the formation of social capital. This is also confirmed by studies, using data of panel research,...

Diskurzusok, nexusok és politikai részvétel A politikai hálózatok és a politikai diskurzus szerepe a részvételben és a tömbösödésben