Purpose: The aim of the article is to analyze the application of Design Thinking in agile organizations in the context of sustainable development. The study focuses on identifying the determinants of the effective implementation of this approach and assessing its impact on the adaptability, innovation and long-term effectiveness of the organization. Design/methodology/approach: The study used a survey method, based on a survey questionnaire conducted among 303 respondents. The results were subjected to multiple correspondence analysis (MCA) to identify the relationships between key aspects of Design Thinking and their impact on the functioning of the organization. Findings: The results indicate that Design Thinking plays an important role in agile organizations, supporting iterative processes, interdisciplinary collaboration, and a flexible approach to changing conditions. The highest ratings were given to aspects related to prototyping, iterative process improvement, and rapid identification of problems and needs. Research limitations/implications: The study is based on a survey conducted on a sample of 303 respondents, which limits the possibility of full generalization of the results. Multiple correspondence analysis identifies relationships between variables but does not determine cause-effect relationships. The lack of analysis of the long-term impact of Design Thinking indicates the need for longitudinal studies and extension of the analysis to different sectors. Practical implications: The use of Design Thinking in agile organizations can contribute to more effective innovation management, better alignment of strategies with stakeholder needs, and implementation of practices consistent with the principles of sustainable development. The research results can be the basis for recommendations for organizations striving to increase their adaptive capacity and optimize management processes. Social implications: Implementation of Design Thinking supports creation of more inclusive and socially responsible solutions, adapted to real needs of users. Interdisciplinary cooperation and creative approach support building business models that take into account sustainable development and positive impact on the environment. Originality/value: The article provides empirical evidence for the importance of Design Thinking in agile organizations, emphasizing its impact on sustainable development and long- term effectiveness. The use of MCA analysis allows for a detailed determination of the relationships between the key elements of this approach, which is a significant contribution to the development of research on innovative management methods.
The aim of this article is to analyse the impact of the KPI (Key Performance Indicators) system on employee motivation in terms of developing competences and improving work effectiveness. The research was conducted on a sample of 114 employees using a questionnaire based on a Likert scale. The one-factor ANOVA technique was used to analyse the results. The results clearly showed that high awareness of the role of the KPI system, regular feedback, knowledge of goals and appropriate support and resources have a significant impact on the level of employee motivation to develop their own skills and improve work performance. The article discusses both theoretical aspects and practical implications of the results that can constitute a basis for improving the quality of management based on KPI indicators in a ship management company.
Researchers are increasingly recognizing the importance of seafarers' psychological well-being in maritime contexts, reflecting the profound mental health challenges associated with life at sea. Seafarers endure extended periods of isolation, demanding work schedules, and restricted access to psychosocial support, all of which contribute to elevated levels of anxiety, depression, and fatigue. Although these issues are well-documented, the field lacks a standardized psychological assessment tool specifically designed for this occupational group. Existing instruments, such as the Psychological General Well-Being Index (PGWBI) and the Symptom Checklist-90 (SCL-90), offer limited insight into the unique stressors faced by seafarers. Consequently, this paper advocates for the development of a psychometrically sound, occupation-specific psychological scale to assess seafarers’ mental health. Based on a comprehensive literature review, the study identifies core psychological constructs relevant to seafaring, including occupational stress, isolation, resilience, job satisfaction, and mental health symptoms. The proposed methodology encompasses a multi-phase approach, involving construct identification, item development, scale validation through exploratory and confirmatory factor analyses, and pilot testing with a representative sample of seafarers. Cultural and contextual sensitivity is emphasized throughout, acknowledging the diversity of maritime crews. The development of this specialized tool is crucial for improving mental health interventions, enhancing operational safety, and supporting the long-term well-being of maritime personnel. A validated instrument would enable maritime organizations, researchers, and policymakers to systematically evaluate psychological risks, implement timely support mechanisms, and foster healthier work environments. Furthermore, it holds the potential to inform policy reforms and occupational health practices, ensuring that seafarers receive the targeted mental health care they require. In doing so, this research aims to valorise the importance of psychology in maritime affairs in order to promote sustainable workforce well-being across the global maritime industry.
The effects of global change on development and the sustainability of the economy are visible in implementing innovations. Appropriate selection of experts, considering various knowledge areas, should use selected tools. The article introduces a research tool for selecting experts for innovation risk assessment. In particular, it aims to present individual measurement scales and their reliability assessment (Cronbach’s alpha). The article presents the factor structure of a potential expert’s competencies measured using a questionnaire. The questionnaire was developed for the appropriate selection of specialists from various industries, including production, mechanics, and management. The questionnaire constitutes a tool applicable for assessing and selecting people involved in the implementation and risk assessment of innovations. It is based on the following four scales (factors): open mind, closed mind, cognitive motivation, and response to uncertainty. The questionnaire’s effectiveness was studied using two research samples, n= 224 and n= 349, comprised of entrepreneurs and individuals professionally related to business and development and implementation of innovations. The interviewees were selected randomly. Factor analysis was used to reduce the test items in the questionnaire. The internal reliability of items was analysed using Cronbach’s alpha. The proposed questionnaire forms a new tool that can be used in selecting experts who deal with the risk assessment of innovations and in the broadly understood process of recruiting staff with appropriate competencies in terms of mindset characteristics. The article presents an analysis related to the conduct of typical research in Management and Quality Sciences, as well as practical principles guiding the use of the questionnaire, which may have wider application in the practice of risk management. The article presents the measurement tool with the answer key, which is a valuable guide for interpreting the results. The questionnaire facilitates the selection of individuals focused on independent and courageous problem-solving and the statement of evaluations. At the same time, an adequate level of caution should be respected, characterising people with risk aversion. Furthermore, creativity and openness are coupled with a considerable ability to develop new solutions and rationally respond to difficult and unpredictable situations.
Purpose: The main objective of the study is to indicate the determinants of taking up and running business by young people. Since the spatial scope of the research covers three countries, the authors aim to answer the question about similarities and differences between these states. In addition, the survey was conducted after the COVID-19 pandemic, hence part of the analysis includes issues related to the assessment of the crisis in terms of the economic activity of the surveyed individuals. Design/methodology/approach: the problem concerns the determinants of young people's entrepreneurial activity. The subject includes also entrepreneurial attitudes of actors under study and their approach to business. The empirical analysis involved students from selected universities in 3 countries: Poland, Romania and North Macedonia. The analysis was conducted using online survey questionnaire. The survey covered a total of 161 respondents. Findings: The students emphasised the role of competition as an element shaping the business environment. This factor influenced the relatively high proportion of those seeing difficulties in opening a new business. They realised that knowledge and education were helpful in achieving success in the market, although financial resources and luck were also important. In the consensus view of respondents, the pandemic increased the risk of operating for entrepreneurs. Research limitations/implications: firstly, the research sample is relatively small (especially for Macedonia) and purposively selected (students), thus the results cannot be representative of the entire population of young people in the selected countries. Secondly, the survey is static and does not indicate trends in the perception of the problem at hand. In the future, it is planned to repeat the analysis on a larger group of respondents in order to eliminate the weaknesses indicated. Originality/value: The article brings elements of originality in the layer concerning the attitudes of young people (students) towards entrepreneurship in a post-pandemic environment. The added value is the comparative analysis of the three countries included in the study.
Purpose: The aim of this study is to collect information on students' perception of their life quality during a pandemic. It aimed at gaining information on how quality of life changed before and during the pandemic. Design/methodology/approach: The research method used was a questionnaire survey. For this purpose, Google Form was used. The survey contained 22 multiple choice questions. Findings: The pandemic had a negative impact on the perception of life quality. Using a categorization into 8 areas in the hierarchy of values in the students' lives, the most important were found to be family, mental and physical health and friends. Research limitations/implications The major limitation was the number of votes collected in the survey. The next research should be extended to include the issue of hierarchy of values in relation to the perception of life quality and a larger research group, for example, students from different universities in different provinces. Social implications: This study will provide insight into the issues and changes in the perception of life quality that affect students during a global pandemic. The article presented here is a voice in the discussion of students' perception of life quality during a pandemic. Originality/value: The research presents changes in the perception of life quality by students of the Silesian University of Technology during a global pandemic.
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W artykule zwrócono uwagę na dwa zwyczaje agrarne: zwyczaje żniwne i związane z uprawą lnu. Postawiono tezę, że znajomość tradycji wsi, zwyczajów i obrzędów agrarnych ma wpływ na wielofunkcyjny i zrównoważony rozwój obszarów wiejskich. W badaniach ankietowych wykazano małe zainteresowanie respondentów zagadnieniami społeczno- kulturowymi i etnograficznymi na wsi polskiej.
EN
The paper aims to demonstrate the importance of two agricultural practices: harvesting and flax growing. The knowledge of village traditions, customs and agricultural rituals has been discussed as it has an impact on the multifunctional and sustainable development of rural areas. The research shows that socio-cultural and ethnographic issues in the Polish countryside have little interest among the respondents.
The aim of the study was to define and assign to an appropriate group the attributes that the client is looking for and requires when deciding to buy a summer house. This aim was achieved through the use of the KANO model, which helps to define and divide the attributes of a given product into four groups: must-have attributes, one-dimensional attributes, delighters and mistakes. The KANO model was used in a construction company in the process of designing a modern summer house. A questionnaire was carried out, the aim of which was to select a representative group and to investigate what attributes customers who decide to build a summer house are looking for. The result of the survey was the identification of 4 groups of attributes and obtaining information that could support the design of a modern summer house. The results showed that customers are looking for a summer house project, which has, among others attributes, solutions that can enable the house to be used as a year-round house.
Przeniesienie zajęć do trybu zdalnego stało się wyzwaniem w procesie dydaktycznym. Nauczyciele akademiccy poszukiwali najlepszych metod i form realizacji materiału. Pod koniec roku akademickiego 2020/2021 przeprowadzono wśród studentów pierwszego roku Politechniki Opolskiej z różnych kierunków i form studiów ankietę dotyczącą nauczania przedmiotów matematycznych, aby zobaczyć jaka forma pracy najbardziej pomagała studentom w zdobyciu wiedzy i umiejętności oraz co sprawiało im największą trudność. Celem artykułu jest analiza metod prowadzenia wykładów i ćwiczeń preferowanych przez studentów oraz ich stosunku do włączonej podczas zajęć kamery. Pokazano, że najwięcej studentów preferuje, gdy prowadzący przedstawia materiał w postaci prezentacji, którą uzupełnia na bieżąco. Blisko połowa studentów nie chce, by prowadzący miał włączoną kamerę.
EN
Shifting classes into distance learning mode has become a challenge in the teaching process for the entire academic community in the wake of the COVID-19 pandemic. Not only academics but also students had to adapt to the new form of education. At the turn of May and June 2021, the authors conducted a survey on teaching of mathematics subjects among first-year students of the Opole University of Technology who attended math courses in the summer semester 2020/2021. This article focuses on analysis of survey results for questions related to conducting lectures and exercises in the remote form. The students were asked about the method of remote lecture which they used the most and they could pick up to two methods out of the five indicated ways of lecturing. As many as 81.1% of surveyed students chose a lecture with a presentation as one of the lecture forms they prefer. Similar analyses were carried out in the context of conducting the exercises. This time the students had a choice of six options related to the forms of conducting exercises. As many as 84.3% of students marked one answer: the teacher solves and discusses exercises on the on-line board as the one they prefer. It was also examined what is the attitude of students towards using video camera during classes by the teacher and/or by the student. Without a surprise it turned out to be negative when it comes to students showing their video feed. The unexpected part is that students view negatively the setup where teacher is using a video camera during classes.
Designation of places for public transport stops is a key component of research on their accessibility. However, further research is needed to solve the problem with organization of public transport stops. This paper provides the results of an priori ranking analysis aimed at defining the most significant factors affecting the accessibility of stops and their scope. The proposed mathematical model, which uses dimensional theory, consists of two stages: pedestrians’ movement to a stop and passengers’ trip to a transit stop. It is a theoretical premise that allows to determination of placement of public transport stops considering the main indicators, which are the distance covered by pedestrians and the speed of public transport.
Today’s navigation systems risk information overload and display clutter due to the multitude of available functionalities and information. Different navigational situations present differing challenges to the navigator, because of varying traffic or maneuvering conditions. This suggests that the need for information and functionalities on ECDIS and radar systems depends on the navigational situation, which was investigated by means of an online questionnaire. A sea voyage was divided into three situations, ranging from narrow maneuvering in port areas, to confined navigable waters, and open sea. N = 80 navigators completed the questionnaire. A compound priority measure was calculated to express the need for each functionality. Approximately half of the functionalities were prioritized in a situation dependent manner and substantially more functionalities were prioritized higher on ECDIS than on radar systems. The results have strong implications for aligning navigation systems more with user needs in the sense of a human-centered design approach.
The aim of the article is to present how urban planners use the potential of a questionnaire. The intention of the designers is to incorporate this study into two different phases of urban design. The first will be a questionnaire relating to the diagnosis of the condition. The second test will be performed at a later stage of works, during the assessment of spatial solutions. This questionnaire will be an assessment of spatial solutions. In the article, the author in this work, will try to explain the important this research technique is in the decision-making process of urban design. For this purpose, he will use the example of developing a local revitalization plan for the so-called "Old Town" of the city of Wołomin.
PL
Artykuł ma na celu zaprezentowanie w jaki sposób urbaniści wykorzystują potencjał badania ankietowego. W zamierzeniu projektantów jest włączenie tego badania do dwóch różnych faz projektowania urbanistycznego. Pierwszą z nich będzie ankieta odnosząca się do diagnozy stanu. Drugie badanie wykonywane będzie na późniejszym etapie prac, podczas oceny rozwiązań przestrzennych. Autor w niniejszej pracy będzie się starał wyjaśnić jak jest ważna ta technika badawcza w procesie decyzyjnym projektowania urbanistycznego. Posłuży mu do tego celu przykład opracowania miejscowego planu rewitalizacji dla tzw. „Starówki” Miasta Wołomin.
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Gospodarka odpadami jest ważną częścią organizacji życia i zrównoważonego rozwoju. Wykonano analizę danych odnoszących się do stanu gospodarki odpadami w Gminie Kańczuga w latach 2013-2019. Dokonano diagnozy systemu gospodarki odpadami na terenie tej gminy wykorzystując elementy metody SWOT. Przeprowadzono także ankietę która pozwoliła na ocenę wybranych zachowań mieszkańców gminy i zbadanie problemu czy gospodarka odpadami w gminie Kańczuga jest zgodna z założeniami ochrony środowiska w kontekście zrównoważonego rozwoju. Podjęcie tego tematu umożliwiło wyciągnięcie wniosków odnośnie realnych potrzeb Gminy i działań naprawczych w zakresie organizacji gospodarki odpadami.
EN
Waste management is an important part of the organization of life and sustainable development. In 2013-2019, an analysis of data related to the state of waste management in the municipality of Kańczuga was carried out. Using elements of the SWOT method, a diagnosis was made of the waste management system in this municipality. A questionnaire was also administered that assessed the selected behavior of the inhabitants of the municipality and examined whether waste management in the municipality of Kańczuga is in line with the environmental objectives of sustainable development. The adoption of this topic has made it possible to draw conclusions about the real needs of the municipality and corrective measures in the field of waste management organization.
The aim of the article is to identify problems and public expectations regarding parking and the application of different parking solutions. Based on the results of a CAWI questionnaire survey, an evaluation of selected parking solutions is presented. Among others, vertical parking has been taken into account, the use of which is associated with a reduction in the area required for parking and an improvement in environmental performance characteristics at the use stage. This study is part of the search for sustainable solutions in city logistics. The results of the study serve as an initial insight into the opinions of one group of users in the life cycle of a car park. They can be used as an introduction to the eco-design of parking solutions and to compare different parking systems. The study was carried out as part of a project entitled: “Analysis of the environmental impact of a vertical parking solution using life cycle assessment at the design stage” carried out at the Silesian University of Technology.
Many traffic accidents are caused by unforeseen and unexpected events in a site that was hidden from the driver's eyes. Road design parameters determining required visibility are based on relationships formulated decades ago. It is worth reviewing them from time to time in the light of technological developments. In this paper, sight distances for stopping and crossing situations are studied in relation to the assumed visual abilities of autonomous vehicles. Current sight distance requirements at unsignalized intersections are based among others on speeds on the major road and on accepted gaps by human drivers entering or crossing from the minor road. Since these requirements vary from country to country, regulations and sight terms of a few selected countries are compared in this study. From the comparison it is remarkable that although the two concepts, i.e. gap acceptance on the minor road and stopping on the major road have different back-grounds, but their outcome in terms of required sight distances are similar. Both distances are depending on speed on the major road: gap sight distances show a linear, while stopping sight distances a parabolic function. In general, European SSD values are quite similar to each other. However, the US and Australian guidelines based on gap acceptance criteria recommend higher sight distances. Human capabilities and limitations are considered in sight field requirements. Autonomous vehicles survey their environment with sensors which are different from the human vision in terms of identifying objects, estimating distances or speeds of other vehicles. This paper compares current sight field requirements based on conventional vehicles and those required for autonomous vehicles. Visibility requirements were defined by three vision indicators: distance, angle of view and resolution abilities of autonomous cars and human drivers. These indicators were calculated separately for autonomous vehicles and human drivers for various speeds on the main road and for intersections with 90° and 60° angles. It was shown that the required sight distances are 10 to 40 meters shorter for autonomous vehicles than for conventional ones.
Bullying and harassment in higher education sector impacts negatively on wellbeing of those who participating in these episodes and also gives wide-ranging negative consequences for every institution and for whole sector. It is necessary to develop an instrument that can reliably identify incidents of bullying and harassment and would contribute to setting targets for intervention and provide a basis for effective management of this phenomenon. The purpose of this research was to verify the dimensions and the methodological characteristics of the new tool. The survey employed a specially constructed questionnaire, which covers the following dimensions: communication, personal reputation, student’s reputation, experienced harm, intervention measures at higher education institution. Psychometric properties of the questionnaire were assessed in a sample of 623 studets. Verification of the methodological and psychometric characteristics of the questionnaire Bullying and Single Cases of Harassment in Higher Education Institutions (B-SCH-St) confirmed its validity and reliability. Also study revealed that in Lithuanian higher education institutions effective bullying and harassment management activities are not carried out.
PL
Zastraszanie i nękanie w sektorze szkolnictwa wyższego negatywnie wpływa na samopoczucie osób uczestniczących w tych odcinkach, a także ma daleko idące negatywne konsekwencje dla każdej instytucji i dla całego sektora. Konieczne jest opracowanie instrumentu, który będzie w stanie wiarygodnie identyfikować przypadki prześladowania i nękania oraz przyczyniłby się do ustalenia celów interwencji i stanowiłby podstawę skutecznego zarządzania tym zjawiskiem. Celem tych badań była weryfikacja wymiarów i cech metodologicznych nowego narzędzia. W ankiecie wykorzystano specjalnie skonstruowany kwestionariusz, który obejmuje następujące wymiary: komunikacja, reputacja osobista, reputacja studenta, doznana krzywda, działania interwencyjne w szkole wyższej. Właściwości psychometryczne kwestionariusza oceniono na próbie 623 studentów. Weryfikacja metodologicznych i psychometrycznych cech kwestionariusza Zastraszanie i pojedyncze przypadki nękania w szkołach wyższych (B-SCH-St) potwierdziła jego ważność i wiarygodność. Badanie wykazało również, że w litewskich szkołach wyższych nie prowadzi się skutecznych działań związanych z nękaniem i prześladowaniem.
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Do wysokiego średniorocznego wskaźnika kosztów gospodarowania odpadami o przeznaczeniu leczniczym, przyczynia się obecnie wiele czynników. Rosną także koszty środowiskowe ich obecności w ekosystemach. Konsumenci jako integralni uczestnicy rynku, wpisują się poprzez swoje postawy w proces szeroko rozumianej gospodarki odpadami o przeznaczeniu leczniczym. W opracowaniu przedstawiono istotę oraz najważniejsze determinanty związane z domowymi odpadami tej grupy. Wykorzystano metodę desk research oraz przeprowadzono badania ankietowe w zakresie postaw konsumentów wobec domowych odpadów o przeznaczeniu leczniczym.
EN
Many factors currently contribute to the high average annual cost of managing hazardous waste from the pharmaceutical group. The environmental costs of their presence in ecosystems are also rising. Consumers as integral market participants, through their attitudes, fit into the process of widely understood waste management for medicinal purposes. Description presents the essence and the most important determinants related to domestic waste of this group. The desk research method was used and a questionnaire survey was carried out on consumer attitudes towards domestic waste for medicinal purposes.
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Odpady komunalne to jeden z istotnych elementów w gospodarce odpadami. Powstają w każdym gospodarstwie domowym, dlatego wszyscy mieszkańcy Polski mają z nimi styczność. Za odbiór i prawidłowe gospodarowanie nimi odpowiedzialna jest gmina. Ze względu na rosnące objętości powstających odpadów zmuszona jest do stałego monitorowania sytuacji a także do poznawania zdania mieszkańców na temat funkcjonowania systemu GO. Dlatego warto przeprowadzać badania opinii. Z odpowiedzi udzielonych przez młodych respondentów przeprowadzonej ankiety wynika, że system zbiórki odpadów w ich otoczeniu oceniają jako prawidłowy i segregują odpady.
EN
Municipal waste is an important feature in a waste management strategy. It is generated in each household, therefore all residents have contact with them. By sharing good practice in the proper waste management system municipalities are responsible for the domestic waste management. The situation is being constantly monitored due to the growing volumes of generated waste. The polling can be highly informative - the answers provided by young responders show, that the waste collection system in their community is correct.
Marketing concentrates mainly on customer acquisition by means of advertisements broadcast in mass media and on billboards. The change to be made in traditional marketing is the shift of interests from satisfying needs to meeting expectations. @Marketing may serve as a tool for that. The aim of this paper is to present a new concept for @marketing, based on innovative forms of product presentation. The paper focuses on the marketing content, without consideration of technical aspects. Research has been carried out in the field of customers’ expectations towards online presentations. In the new conditions, a product presentation should be expanded by innovative forms such as narration, photography and computer graphics. Therefore, there is a need to develop comprehensive projects for planning online presentations as soon as possible. It should be preceded by detailed analyses carried out by IT specialists and marketing experts.
W niniejszym artykule zaprezentowano wyniki prac poświęconych skróconej wersji kwestionariusza do pomiaru klimatu bezpieczeństwa. Klimat bezpieczeństwa rozumiany jest jako suma moralnych spostrzeżeń pracowników na temat ich środowiska pracy, stanowi odzwierciedlenie pracowniczej percepcji organizacyjnego systemu zarządzania, z uwzględnieniem polityki, stosowanych praktyk i procedur. Skrócona wersja Kwestionariusza Klimatu Bezpieczeństwa zawiera 50 twierdzeń, które tworzą 10 wymiarów: partycypacja pracowników w sprawy bezpieczeństwa, zachowania bezpieczne, zaangażowanie kierownictwa, modelowanie i wzmacnianie bezpiecznych zachowań w organizacji, zarządzanie ryzykiem w sytuacji wypadku, zaplecze techniczne i ergonomia, tempo pracy i poziom zmęczenia, proces szkolenia w zakresie bhp, atmosfera w miejscu pracy, polityka organizacji w zakresie zarządzania bhp. Badania przeprowadzono w grupie 813 osób. Wstępne analizy wskazują na satysfakcjonujące własności psychometryczne, a co za tym idzie – KKB-50 można uznać za trafne i rzetelne narzędzie do pomiaru klimatu bezpieczeństwa w organizacji. Wartość współczynnika alfa Cronbacha dla globalnego wymiaru klimatu bezpieczeństwa wyniosła 0,930, zaś dla jego poszczególnych skal wahała się w przedziale 0,67- 0,83. Trafność kwestionariusza szacowana przy użyciu współczynników korelacji liniowej r-Pearsona jest na dobrym poziomie (r = 0,84, p < 0,01). Analiza czynnikowa potwierdza jednorodność skal.
EN
This article presents the results of works on a shortened version of Questionnaire of the Safety Climate. Safety climate is treated as the sum of the employees’ moral perceptions of their work environment. It reflects employees’ perceptions of organizational management system including policies, practices and procedures. The shortened version of Questionnaire of the Safety Climate contains 50 statements that create 10 dimensions: employees’ participation in safety matters, safe behaviours, management commitment, modeling and strengthening of safe behaviours in the organization, risk management in case of an accidents, technical facilities and ergonomics, work pace and the level of fatigue , the process of health and safety trainings, workplace atmosphere, organization policy in the field of occupational health and safety management. The research was conducted in a group of 813 people. Preliminary analyzes indicate satisfying psychometric properties, and thus – KKB-50 can be considered as a valid and reliable tool for measuring the safety climate in an organization. The value of Cronbach's alpha coefficient for the global dimension of the safety climate was 0.930, while for its individual scales it fluctuated within 0.67-0.83. The accuracy of the questionnaire estimated using the linear correlation coefficients r-Pearson is on a good level (r = 0.84, p < 0.01). Factor analysis confirms the homogeneity of scales.
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