Martin Dolejš

Palacký University Olomouc · Department of Psychology

Background Adolescence is often seen as an important period for further personality development. In today's world, it is therefore important to keep track of current trends in adolescents. One of them is addictive behaviour in the context of the online environment. Spending too much time online can have a negative impact on the quality of life of a...

Background and aims The aim of the present study was to estimate the complex association between Internet Gaming Disorder (IGD), substance use, and other risky behaviours in Czech adolescents whilst providing prevalence estimates of IGD and psychometric information regarding the Czech Internet Gaming Disorder Scale–Short-Form (IGDS9-SF). Methods A...

This study examines how risky online behaviors among Czech adolescents relate to social support, depression, and anxiety. The behaviors investigated include sending videos to strangers, receiving explicit content, sharing nude photos, encountering monetary offers for meetings, and exposure to blackmail. A nationwide sample of 1095 adolescents aged...

Basic demographic and anamnestic data were collected and processed from the respondents. Two standardized diagnostic tools were used in the test battery: 1) Dolejš, M., Dostál, D., Obereignerů, R., Orel, M., Kňažek, G. (2021). Self-Concept Questionnaire. Palacký University in Olomouc (SCQ) and 2) Dolejš, M., Skopal, O., Suchá, J., Charvát, M. (2018...

The data collection was primarily online and only a minor part of the data was collected by pencil and paper. This form was used mainly with the elderly. The same test battery was administered in both forms, which had two language versions. The test battery included: (a) the Sociodemographic Data Questionnaire (Považanová, Dolejš, & Kňažek, 2022);...

The paper presents a view of the current generation of adolescents attending primary and secondary schools in the Czech and Slovak Republics. 3 740 adolescents participated in the research. It shows that the values of adolescents are significantly influenced by the use of the Internet and social networks. Watching videos that devalue human or anima...

Purpose: The study aimed to evaluate anti-fat attitudes and beliefs among Czech adolescents and develop a Czech version of the Anti-Fat Attitudes Questionnaire (AFA) and Beliefs About Obese Persons Scale (BAOP). Methods and Participants: A total of 3,345 Czech adolescents aged 11–19 years completed sociodemographics, AFA, and BAOP. Results: The con...

Předložená monografie poskytuje důkladný a komplexní pohled na problematiku užívání digitálních technologií u adolescentů včetně hlediska jejich nezdravého užívání. Monografie předkládá ucelený rámec od definování základních pojmů přes teoretická východiska, diagnostiku a administraci metod až po specifické strategie prevence a intervence. Kniha na...

Sebaregulácia je jednou z kľúčových ľudských schopností. Jej jadro tvoria presvedčenia o tom, či sa človek vníma ako autonómna a kompetentná bytosť, či preberá zodpovednosť sa svoje správanie, aké si vyberá ciele, ako ich dosahuje, plánuje, organizuje svoje aktivity, ako sa rozhoduje a aké emócie pri tom prežíva. Táto kniha prináša pohľad na sebare...

In this poster, we present a new research project that focuses on domesticated animal companions and their owners. In it, we investigate the correlations between pet breeding, personality traits, and selected variables in their owners. Our research population will consist of respondents from the adult population aged 18 to 75 years in the Czech Rep...

The Tower of Hanoi Test: A Guidebook for Administration and Evaluation Executive functions involve planning, organization, fluency, inhibition, mental flexibility, and capacity for abstraction. They enable orientation and purposeful behaviour of individuals in the environment and in society. Executive functions are responsible for the individual’...

Those values passed from one generation to another are among the building blocks of every society. The formation of the value system starts when a toddler begins to realize his/her own ‘self’ and keeps developing throughout the individual’s life. At the beginning of one’s life, values are significantly influenced by the primary family. Gradually, t...

Objectives. Parental burnout is a relatively newly studied phenomena characterized by exhaustion in one’s parental role, emotional distance from children and low parental self-esteem. Parental Burnout Assessment (PBA) is the current gold-standard instrument for the measurement of parental burnout (PB). The aim of this study is to examine the psych...

Aggression and aggressiveness present in situations associated with negative human behaviour. Society largely views aggression as problematic, unacceptable, and destructive. In the past, though, it was one of the key factors of survival and subsistence. Aggression is intended behaviour that is directed against oneself, another person or object. A...

The post will bring up-to-date information about what activities they do, but also what Czech girls and boys (15-19 years old) experience in cyberspace. 2196 adolescents (1140 girls and 1056 boys) with a mean age of 16.81 years (SD = ±1.01) participated in the research project. Adolescents attended secondary education facilities (G, SŠ, SOU; ISCED...

In this presentation we are dealing with the generation of contemporary adolescents and their values. We are interested in how the use of the Internet and especially social media platforms influences them in the formation of values. 3 740 adolescents from all over the Czech and Slovak Republic took part in the research. The research yielded some in...

Príspevok prináša pohľad na aktuálnu situáciu, v súvislosti so vzdelávaním, využívaním moderných vyučovacích prvkov a klímou školskej triedy, na stredných školách v ČR a SR. Výskumnej štúdie sa zúčastnilo 1 005 chlapcov a dievčat z ČR a 887 chlapcov a dievčat zo SR, vo veku od 15 do 19 rokov (ČR: M = 16.54, SD = ±1.11; SR: M = 16.84, SD = ±1.23). Z...

The personality traits of adolescents are currently influenced to a high level by the influence of cyberspace. In this paper, we discuss what role the use of the Internet and social media platforms plays in the personality traits of adolescents. We are interested in whether Czech and Slovak adolescents differ in their personality traits and whether...

V populácii českých a slovenských adolescentov môžeme pozorovať isté nadužívanie zábavných videí, na úkor edukačných videí. Napriek snahe o digitalizáciu a modernizáciu vzdelávacieho prostredia, sú edukačné videá stále málo používaný doplnok vzdelávacieho procesu. Nadmerné sledovanie zábavných videí môže mať negatívny dopad na prospech študentov, i...

Background: Ethical values have always been present in humanity. In our research, we focused on examining three types of ethics in a population of adolescents in the Czech Republic and Slovakia. Methods and Sample: For this purpose, we used the EVA questionnaire and a self-constructed Internet use questionnaire. 3740 adolescents from all over the...

Method: - Internet Use Questionnaire (IUQ; Považanová, Dolejš, & Suchá, 2020): - Identifies how adolescents use the Internet and related social networks (social networking, computer gaming, and acting in cyberspace). - self-constructed questionnaire - method contains 28 items - individual or group administration lasting 5-10 minutes - includes, for...

The monograph describes human values and value systems that are under the pressure of cyberspace, which influences their development and shape. In adolescence, values gradually mature and begin to become part of the adolescent's self. Today's generation of adolescents is firmly embedded in cyberspace and it is part of their lives. In the society of...

Adolescents are among the biggest consumers of cyberspace. The research project focuses on Czech and Slovak adolescents under the influence of the Internet. The Portrait Value Questionnaire (PVQ) and Internet Addiction Test (IAT) methods were used in the project. The research population consists of 3,741 adolescents aged between 11 and 19 years, at...

The poster focuses on the ethical values of Czech and Slovak adolescents in relation to their use of cyberspace. The methods used were the Ethical Value Assessment (Padilla-Walker & Arnett Jensen, 2016) and the Internet Addiction Test (Young, 1996).The research population consisted of 3,011 respondents in age between 11 and 19 years who completed q...

Background The purpose of the study was to evaluate anti-fat attitudes and beliefs about high-weight people in a nonclinical sample of Czech adolescents. An additional aim was to create a Czech version of the Anti-fat Attitudes Questionnaire (AFA) and Beliefs About Obese Persons Scale (BAOP) and to test their psychometric properties. Methods and P...

Self-Concept Questionnaire (“Dotazník sebepojetí” – DOS): A Manual for Practical Application Self-concept is a complex collection of beliefs one holds about oneself. It consists of several parts such as self-knowledge, self-assessment, self-acceptance, self-esteem, and self-fulfilment. the development of a person’s self-concept is influenced by inn...

Self-Concept Questionnaire (“Dotazník sebepojetí” – DOS): A Manual for Practical Application Self-concept is a complex collection of beliefs one holds about oneself. It consists of several parts such as self-knowledge, self-assessment, self-acceptance, self-esteem, and self-fulfilment. the development of a person’s self-concept is influenced by inn...

The paper presents a psychometric analysis of Rosenberg’s Self-Esteem Scale and its interpretation in the context of a population sample of Czech adolescents. The theoretical background includes a description of a general model of self�concept with a focus on the component of self-esteem. We point out the link between personal and social variables...

The presentation focuses on the investigation of Czech and Slovak adolescents in the area of ethical values and their relationship to the use of the Internet. For this research, the Ethical Value Assessment (Padilla-Walker & Jensen, 2016) and the Internet Addiction Test (Young, 1996) were used. The research population consisted of 3,011 respondents...

The research project focuses on values under the influence of the Internet in Czech and Slovak adolescents, using the psychometric methods PVQ and IAT. The research population consists of 3 741 respondents aged 11-19 years. The results show that highly Internet-dependent adolescents show low levels of harmony and stability in the factor of security...

BACKGROUND: Adolescence is one of the most important stages in a human life. This period is full of different stimuli and types of influence – from parents, peers, and society. It is related to greater susceptibility to problematic behaviour and to impulsivity. Because of that it is important to explore the topic of impulsivity and impulsive behavi...

Přednáška představí výsledky z výzkumného projektu, který se zaměřoval na aktivity českých a slovenských adolescentů (11–19 let) v kyberprostoru. Výzkumného projektu se účastnilo 3741 dívek a chlapců, kteří navštěvovali sekundární vzdělávací instituce (ISCED 2 a 3) v České republice a na Slovensku. Online prostředí s sebou nese jak pozitivní aspekt...

A typical feature of today's times is enormous dynamism. This also affects education, which has to adapt to new demands that come not only from European structures, but also from the students themselves. The generation gap thus generates a certain tension. Older generations can imagine their lives without technology, while younger generations have...

The presentation focuses on an extensive Czech-Slovak study of adolescents' values. In the study we investigated the current human values during adolescence. We were interested in whether these values are in any way influenced by the influence of cyberspace and, if so, in what way. In the presentation we will also describe the research process, the...

The paper offers an insight into a large Czech-Slovak study that studied adolescents, their values and how they are affected by and dependent on the Internet. The study involved 2, 642 Czech adolescents and 1, 099 Slovak adolescents aged 11 to 19. The methods used were Ethical Value Assessment, Portrait Value Questionnaire, Internet Addiction Test,...

Education is an integral part of our lives. The most essential part of education takes place in youth. Our research project focuses on adolescents aged 15 to 19, attending grammar school, in the Czech Republic and Slovakia. The research design focuses on selected aspects of the use and application of educational videos in the educational process, o...

Aggression and aggressiveness present in situations associated with negative human behaviour. Society largely views aggression as problematic, unacceptable, and destructive. In the past, though, it was one of the key factors of survival and subsistence. Aggression is intended behaviour that is directed against oneself, another person or object. A...

INTRODUCTION: The Czech Republic records one of the highest prevalence levels of obesity in comparison to other European and world countries. The present study aims to fill a gap in the use of tools in research of food addiction (FA), which is believed to be one factor in the high prevalence of obesity. METHODS: A pen-and-paper study was conducted...

The poster will present the results of a research project that was focused on the activities of Czech and Slovak adolescents (11-19 years) in cyberspace. The online environment has both positive aspects that contribute and help to shaping and finding human identity, and adolescents in the online world may also encounter risks that may jeopardize th...

Benlik Kavramı Anketi (English name of the scale: Self-Concept Questionnaire (SCQ) and Czech name of the scale: Dotazník sebepojetí (DOS)) Benlik Kavramı Anketi (Ölçeğin İngilizce adı: Self Consept Questionnaire (SCQ) ve ölçeğin Çekçe adı: Dotazník sebepojetí (DOS)) Benlik kavramı kişinin kendisi hakkında sahip olduğu karmaşık inançlar topluluğudur...

Benlik Kavramı Anketi (English name of the scale: Self-Concept Questionnaire (SCQ) and Czech name of the scale: Dotazník sebepojetí (DOS)) Benlik Kavramı Anketi (Ölçeğin İngilizce adı: Self Consept Questionnaire (SCQ) ve ölçeğin Çekçe adı: Dotazník sebepojetí (DOS)) Benlik kavramı kişinin kendisi hakkında sahip olduğu karmaşık inançlar topluluğudur...

Surf therapy is an increasingly popular method of mental health intervention. Although previous research documents the benefits of surf therapy for mental health, it is unclear how to navigate the organization structure of said program. This research project is a case study, where the case is an organization of our choice, in which we selected seve...

The first comprehensive concept of locus of control was developed by Julian Rotter, who noted that the reinforcement of certain behaviour depends in part on attributing the outcome (reward or punishment) either to one’s own behaviour and efforts or to external forces. Locus of control is a one-dimensional construct, which distinguishes two types, n...

Výskumným zámerom štúdie je overenie efektivity edukačných videí vo vzdelávacom procese. Videá sú populárnou formou trávenia voľného času u mladistvých. V tejto súvislosti by videá mohli byť považované za účinnú školskú pomôcku. Výskumy poukazujú na to, že edukačné videá napomáhajú vytvoreniu pamäťovej stopy, ale i na sociálny presah, kedy študenti...

The presentation deals with the ethical values of adolescents in the Czech Republic and the Slovak Republic. The main goal of the research is to find out whether adolescents differ in three types of ethical values - in autonomy, spirituality and community and whether these values are influenced by the idols they can have online and the time adolesc...

The Questionnaire of Digital Game Playing (QDGP) is used for diagnosis of the severity of playing digital games in adolescents. This psychodiagnostic method is therefore a suitable tool for the identification of problematic gamers and addicted gamers. For some children, adolescents, and also adults are playing digital games their only activity, the...

The Questionnaire of Digital Game Playing (QDGP) is used for diagnosis of the severity of playing digital games in adolescents. This psychodiagnostic method is therefore a suitable tool for the identification of problematic gamers and addicted gamers. For some children, adolescents, and also adults are playing digital games their only activity, the...

The Questionnaire of Digital Game Playing (QDGP) is used for diagnosis of the severity of playing digital games in adolescents. This psychodiagnostic method is therefore a suitable tool for the identification of problematic gamers and addicted gamers. For some children, adolescents, and also adults are playing digital games their only activity, the...

The Scale of depression Dolejš, Skopal and Suchá, is one of a few methods in the Czech environment that can be used for diagnosis of depression in humans (mainly adolescents). It is a psychodiagnostic tool designed to detect the current level of depression. Depression in people is manifested, for example, by a pessimistic view of the future, sadnes...

The Scale of depression Dolejš, Skopal and Suchá, is one of a few methods in the Czech environment that can be used for diagnosis of depression in humans (mainly adolescents). It is a psychodiagnostic tool designed to detect the current level of depression. Depression in people is manifested, for example, by a pessimistic view of the future, sadnes...

The Questionnaire of Digital Game Playing (QDGP) is used for diagnosis of the severity of playing digital games in adolescents. This psychodiagnostic method is therefore a suitable tool for the identification of problematic gamers and addicted gamers. For some children, adolescents, and also adults are playing digital games their only activity, the...

The Scale of depression Dolejš, Skopal and Suchá, is one of a few methods in the Czech environment that can be used for diagnosis of depression in humans (mainly adolescents). It is a psychodiagnostic tool designed to detect the current level of depression. Depression in people is manifested, for example, by a pessimistic view of the future, sadnes...

Adolescent girls and boys go through an infinite number of changes on physiological, psychological, social levels, including the spiritual area. Adolescence is the period of a highly complex transition and is different for every adolescent. Adolescent development needs to be subjected to both quantitative assessment (a comparison with average peer...

The period in which we live is characterised by tremendous dynamism. Everything is changing at a rapid pace, not least the content and form of education. Both the Slovak and Czech education systems have changed with the adoption of new school laws. We are feeling strong pressure from European structures to increase the proportion of university-educ...

The Digital Gaming Questionnaire (DHDH) will be presented, as well as basic prevalence data from the field of digital gaming and the relationship between this activity and the actual use of the Internet. The Internet Dependence Test (IAT) was also used in the research. Several thousand Czech girls and boys attending various types of school faciliti...

Overuse of games can lead to negative effects, such as Internet Gaming Disorder. Playing video games can lead in a reduced quality of life. The term Internet Gaming Disorder (IGD), was included in the latest edition of the DSM-5. The ICD-11 also works with this term. Despite the growing interest of scientists in IGD and epidemiological research poi...

This age offers adolescents a number of stimuli for development, but also time for stagnation. One of these factors is the Internet, which plays an irreplaceable role in today's society. In our research, we deal with the use of the Internet and social networks among Czech and Slovak adolescents aged from 15 to 19 years. In our questionnaire battery...

Self-concept is a complex collection of beliefs one holds about oneself. It consists of several parts such as self-knowledge, self-assessment, self-acceptance, self-esteem, and self-fulfilment. the development of a person’s self-concept is influenced by innate as well as acquired factors and their mutual interaction. An external factor with a signi...

MindMap Diagnostics Methods (MMDM) je originálně vyvinutý software ve formě online aplikace, určený k vývoji, nastavení, administraci a vyhodnocení psychodiagnostických metod, zejména testových. Přináší pro kvalifikované studenty, akademiky i psychology v praxi virtuální prostor pro kreativní práci za dodržení vložených principů psychologického tes...

This study was conducted to investigate the psychometric properties of the Czech version of The Scale for Assessment of Pathological Computer-Gaming (AICA-S) and to identify the proportion of Internet gaming disorder (IGD) among juvenile gamblers in Czech primary schools and grammar schools. This study involves 2 475 students in age from 11 to 19 y...

Škála depresivity Dolejša, Skopala a Suchej (SDDSS) je screeningový nástroj na diagnostiku aktuálne prežívanej depresie dospievajúcich. Škála bola aplikovaná v niekoľkých celonárodných a regionálnych štúdiách, ktoré potvrdili žiadané psychometrické parametre. Poskytuje populačné normy pre dospievajúcich vo veku 10 až 19 rokov. Kompletná príručka k...

Our study estimates the prevalence of Internet addiction in Czech adolescents as well as differences by gender and school type. A total of 3,950 adolescents (n = 1,940 boys, n = 2,010 girls) from 11 to 19 years of age (M = 15.73, SD = 1.99) participated in the research. They completed the Internet Addiction Test, which consists of subscales for Sal...

The psychological conference "Psychologická diagnostika Brno 2021" is an annual event focused on psychodiagnostic, psychological measurements, psychometrics, and statistics. This new tool DHDH from Czech authors for measuring internet gaming disorder was presented.

This study goal was to describe the motives that drive adolescents from children's homes towards smoking. The study had mixed methodology, composed of a pre-study, and with an emphasis on phenomenological study. For the selection of respondents was used random sampling. The collection of data happened with the use of an original questionnaire and a...

While video games can be helpful in personal development, participating in certain gaming activities may lead to negative effects such as video game addiction. The overuse of computer games, which can lead to reduced quality of life and affect a person’s practical skills. Around 3% of adolescents suffer from Internet Gaming Disorder (IGD), there is...

Poster prezentuje metodologii a výsledky výzkumu na téma Adolescenti s PAS v kyberprostoru. Prezentováno na XX. ročníku česko‑slovenské konference Kvalitativní přístup a metody ve vědách o člověku, Dialog mezi vědou a praxí: Reprezentuje kvalitativní přístup efektivní alternativu?

Výskum sa zameriava na agresivitu u študentov a študentiek navštevujúcich české 8, 6 a 4 ročné gymnáziá. Zber dát prebiehal v niekoľkých etapách od roku 2014 do roku 2018 formou "papier-pero", v rámci ČR. Výskumu sa zúčastnilo 5599 študentov a študentiek z vyšších a nižších gymnázií zo všetkých krajov ČR, vo veku od 11 do 19 rokov. Výsledky výskumu...

Pilotná štúdia bola zameraná na vývoj a experimentálne overenie nového psychodiagnostického nástroja. Cieľom štúdie bolo v prvom kole overiť novovznikajúcu dotazníkovú metódu - Škála mapovania hodnôt (Považanová, Dolejš, 2020). Dotazník je zameraný na skúmanie hodnotových systémov adolescentov. V príspevku popisujeme vývoj a vlastnosti, ktoré sme o...

(ENGLISH) The first comprehensive concept of locus of control was developed by Julian Rotter, who noted that the reinforcement of certain behaviour depends in part on attributing the outcome (reward or punishment) either to one’s own behaviour and efforts or to external forces. Locus of control is a one-dimensional construct, which distinguishes tw...

Poster informuje odbornú verejnosť o priebehu realizácie výskumného projektu, ktorý sa zaoberá problematikou aktuálneho hodnotového systému českých a slovenských adolescentov pod vplyvom internetu. Budú predstavené prvé výsledky, ktoré prinieslo pilotné testovanie rozsiahlej testovej batérie, v ktorej boli použité napríklad Ethical Value Assessment...

The personality of a musician has a considerable influence on their playing Deeper examination of this context has substantial potential for use within the framework of the musical-educational process. We focused on the relationship between personality and playing and identifying specific psychological factors which are relevant for musical develop...

Abstrakt: V článku prezentujeme výsledky výskumu, ktorý sa zameriava na produkciu rizikového správania v kontexte vybraných osobnostných rysov adolescentov navštevujúcich nižší stupeň sekundárneho vzdelávania – základné školy a viacročné gymnáziá (ZŠG) a adolescentov z detských domov so školou a výchovných ústavov (DDŠVÚ). Ako výskumný nástroj sme...

The present monograph provides a targeted response to the current demands of specialists (special educators, psychologists, addictologists and others) working with adolescents. It deals with selected risk activities and particular psychological phenomena in the population of adolescents from institutional care facilities. Increased vulnerability to...

Štúdia bude zameraná na preskúmanie hodnotového systému adolescentov s prihliadnutím na možný vplyv internetu na nich. Chce zistiť, či sa českí a slovenskí adolescenti v hodnotových systémoch odlišujú. Hlavným cieľom štúdie preto bude zmapovanie ich hodnotových systémov a vytvorenie psychometrického nástroja na ich meranie. Výskumný súbor budú t...

The Questionnaire of Digital Game Playing (QDGP) is used for diagnosis of the severity of playing digital games in adolescents. This psychodiagnostic method is therefore a suitable tool for the identification of problematic gamers and addicted gamers. For some children, adolescents, and also adults are playing digital games their only activity, the...

Svět her se s vývojem technologií výrazně proměnil a nabyl nové podoby. V současnosti se ukazuje, že pro děti a dospívající se jednou z nejoblíbenějších volnočasových aktivit stává hraní digitálních her, tj. elektronických her, které lze hrát prostřednictvím počítače, mobilního telefonu, tabletu, herní konzole a dalších. Toto číslo Zaostřeno přináš...

The article presents relations between the locus of control and the selected risk activities carried out by Czech adolescents. The research project used several psychodiagnostic methods to measure the locus of control: Locus of Control Scale Zemanová & Dolejš (SMKZD), Scale for the Assessment of Internal and External Control Beliefs (IE-4), Short S...

As modern technologies develop, the world of digital games has changed remarkably and gained a new character. It is apparent at present that playing digital games, i.e. electronic games that can be played by means of a PC, mobile phone, tablet, game console, and other devices, is becoming one of the very favourite leisure activities for children an...

BACKGROUND: Youth drop-in centres (YDICs) represent the only social service for adolescents. The employees of these centres focus on the personal development of their clients so as to help them succeed and pass safely from childhood into adulthood. They provide them with support and help them with difficult life situations. In order for YDICs to ac...

Die Adoleszenz ist im menschlichen Leben die dynamischste Entwicklungsetappe; es sind nämlich die Lebensjahre, in denen ein Kind zu einem erwachsenen Individuum wird. In diesem Zeitraum kommt es zu vielen Veränderungen auf verschiedenen Ebenen, in verschiedener Intensität, aber auch in verschiedenen Phasen dieser Etappe. Als Adoleszenz kann die zwe...

V české společnosti se začaly digitální hry objevovat od 90. let 20. století. Významný a rychlý rozmach hraní digitálních her přichází ale až s finanční dostupností zobrazovacích zařízení a her a se snadnou dostupnostní internetu v českých rodinách. V dnešní době je herní svět samostatnou komoditou, jak na finančních burzách, tak i ve společnosti....

V české společnosti se začaly digitální hry objevovat od 90. let 20. století. Významný a rychlý rozmach hraní digitálních her přichází ale až s finanční dostupností zobrazovacích zařízení a her a se snadnou dostupností internetu v českých rodinách. V dnešní době je herní svět samostatnou komoditou, jak na finančních burzách, tak i ve společnosti. E...

The Occurrence of Risky Behavior questionnaire is a psychodiagnostic tool that allows to get the results of two types in a relatively short time (in minutes). The first type of information that the method brings is on the occurrence of certain risky behaviour in adolescents (tobacco smoking, marijuana use, theft). The second type of information is...

The Scale of depression Dolejš, Skopal, and Suchá, is one of a few methods in the Czech environment that can be used for diagnosis of depression in humans (mainly adolescents). It is a psychodiagnostic tool designed to detect the current level of depression. Depression in people is manifested, for example, by a pessimistic view of the future, sadne...

Anxiety is one of the basic characteristics of a human´s personality, influencing the perception of the world and of oneself. Anxious people can not objectively evaluate their performances and oneself, they often underestimate themselves and have a low self-esteem. It is important to diagnose anxiety during the adolescence period because it allows...

The Scale of Impulsivity Dolejš & Skopal (SIDS) is a screening tool used in clinical and counselling practice. Diagnostic findings based on data generated with the SIDS method can be used to formulate diagnostic hypotheses regarding the production of high-risk forms of behaviour (alcohol use, tobacco use, delinquent behaviour etc.) because, accordi...

Abstract. Objectives: The main aim of the work is to identify impact of impulsivity on adolescent risk behaviors. 2. Sample and setting: Representative research sample consisted of 4,098 highs students of the Czech Republic. The basic set represents 348,678 adolescents, of which approximately 86,796 attend four-year, six-year and eight-year high sc...

Our research design is based on the assumption that impulsivity and aggression are closely related. The investigation is focused on differences in the aggressive behaviour of students with average and high rates of impulsivity. The research sample consists of 5841 pupils in the Czech Republic and the Slovak Republic aged 10-15 years. Impulsivity wa...

The Scale of depression Dolejš, Skopal and Suchá, is one of a few methods in the Czech environment that can be used for diagnosis of depression in humans (mainly adolescents). It is a psychodiagnostic tool designed to detect the current level of depression. Depression in people is manifested, for example, by a pessimistic view of the future, sadnes...

Objectives. The purpose of this study was to verify the factor structure of the Czech translation ofin Self-CuriosityCzech grammarAttitude-Interestschools, studentsScaleand(SCAI)to explore reliability of the scale. Curiosity about self was initially conceptualized as the desire that people have to explore and understand themselves and their psychol...