Institutional Repository of Klaipėda University
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Simulating the dispersion of the energy flux density of the electromagnetic field generated by antennas for mobile communications /
No full textThe last two decades have faced a significantly increased number of telecommunication antennas emitting electromagnetic radiation in residential areas. The theoretical simulation of the dispersion of the energy flux density of the electromagnetic field has been performed applying the physical peculiarities of the waves generating electromagnetic radiation. Having evaluated studies on simulation, the visual representation of the spread of electromagnetic radiation has been carried out according to the results obtained applying the AutoCad package. A comparison of the simulated value of the energy flux density radiated from antennas for mobile telecommunications with the measured one has disclosed an overlap of 30%. The simulation of the energy flux density showed that, in the close proximity zone (under a distance of 30 m), antennas radiate values within the range 10–10,000 µW/cm2. At a distance larger than 30 m, the values of energy flux density fluctuate from 10 to 0.001 µW/cm2
Aktyvieji mokymosi metodai ugdant vaikų kalbinius gebėjimus ikimokykliniame amžiuje: mokytojų požiūris.
No full textStrategic documents (Description of Pre-school Children’s Achievements, 2014; State Strategy for Education in 2013–2022, 2014; Concept of Good School, 2015; Methodological Recommendations for Pre-school Education, 2015; etc) state the need to create conditions for children to actively work, investigate, create, discuss, and learn to solve problems, etc. This changes the classic approach to the quality and outcomes of pre-school education. The article analyses teachers’ attitudes towards the possibilities for applying active learning methods in developing children’s language skills at pre-school age. The findings of the qualitative research have revealed that pre-school teachers look for the most effective, child-friendly education methods and tools in order to ensure the success of children’s language education and their optimal achievements according to the children’s abilities. From a teacher’s point of view, pre-school children whose teachers apply active learning methods have the following opportunities for language education: to think creatively, experience the joy of education, take responsibility, investigate and solve problems, work in pairs and/or groups, learn to believe in themselves, use media, develop responsible media usage habits, etc. The findings of the research reveal that children’s language education possibilities using active learning methods are highly dependent on the teacher’s competencies, creativity and willingness to work in a different, non-traditional way
Characteristics and anaysis of stress in the work environment of police officers.
No full textThe psycho-emotional state of police officers, the characteristics of the stress they experience at work, and stress management, are important public health problems. Occupational stress in police officers can lead to a decline in work quality and have a negative impact on the performance of work functions. The aim of the study was to analyse the stress experienced by police officers at work. A total of 138 police officers from Lithuanian commissariats participated in the investigation. Quantitative research and a written survey were performed. The SPSS program was used, and the chi-square criterion was applied. The data were significant at p ≤0.05. The study analysed how police officers deal with stresses in the following work environments: support from heads/managers, support from colleagues, relationships with co-workers, and changes in the workplace. The study results reveal that only about half of police officers receive help from their heads/managers, can talk to them about problems, and are supported in the face of emotional stress at work. In general, female officers are more likely to receive support from a head than men, but in the event of emotional stress, managers are more likely to help males. Respondents with the shortest length of service feel the greatest support from the head/manager, can talk to the head/manager about problems that have arisen, and receive help when a problem arises or there is emotional stress. Heads promote 40% of police officers. While analysing communication and cooperation among colleagues, it was found that most police officers feel supported by colleagues, receive help from them, and are respected by them. Male police officers receive more support, help and respect from their colleagues than female police officers. About a fifth of officers responded that they had been verbally harassed or had experienced unpleasant or unacceptable behaviour at work. A minority of officers indicated that they experience mobbing or bullying and tension at work. However, half of police officers sometimes notice discord and anger among officers. An analysis of stressful changes at work revealed that half of police officers were able to ask their supervisors about ongoing job changes, a third indicated that they had been advised about job changes, and that they would know how the changes would actually work. Males were significantly more able to ask and discuss changes at work, and possibly because of that understood the changes at work better than females. Police officers with the longest length of service had significantly more opportunities than those working fewer years to inquire about changes at work, and were advised more about the changes, so that they would know better how the changes actually work in the event of a change at work. The study revealed that it is important to put more effort into creating a safe and healthy working environment for police officers. They need more support and trust from their heads/managers. Women police officers need more support from colleagues and trust from their heads
Self-reported parents’ approaches to the monitoring and modification of health behaviour in primary school children at the family level.
No full textHealth education is relevant at all stages of human development, but it takes on a special meaning at a younger school age. Healthy behaviours and healthy lifestyle skills developed before adolescence (daily routine, rational nu)trition, hygiene skills, physical activity) persist until old age and rarely change. When a child starts school, his or her lifestyle and social roles change, and the level of independence skills also changes. During this period, the child’s cardiovascular, respiratory, musculoskeletal, nervous and other systems develop intensively. Especially intense at this age is the child’s mental development, the formation of the will and the ability to control their feelings. The family has a special role in promoting the health of primary school children, and in correcting unhealthy behaviours. The role of parents in the monitoring and modification of child health behaviour is particularly important. The problem question is: how often do parents monitor and modify the health behaviours of primary school children in the family? The aim of the study is to analyse parents’ approaches to the monitoring and modification of health beha)viour in primary school children at the family level. The study was performed in 2019–2020. A quantitative study, a written survey, was used. A total of 303 parents with primary school-age children participated in the study. Parents who live in the west of Lithuania were enrolled in the survey. The respondents’ ages were: ≤35 years 48.5% (147); and ≥36 years 51.5% (156). The respondents’ education was: without higher (university) education 46.9% (142); and with higher (university) education 53.1% (161). The respondents’ places of residence were: 57.4% urban (174); and 42.6% rural (129). For statistical analysis, the SPSS program was used (Version 24.0), Chi-square test, Mann-Whitney test, and Spearman’s correlation coef)ficient were applied. The significance level p ≤0.05 was considered statistically significant. The study revealed that almost all parents very often or often monitor and modify the habits of children’s personal hygiene, the children’s emotional state, and children’s misbehaviour. Almost a third of parents do not monitor or adjust their children’s posture, sitting or rucksack weight very often. About half the surveyed parents are not very interested in their child’s nutrition outside the home. Although a larger proportion of parents monitor and adjust the schedule of primary school children and the time their child spends online, about a fifth of parents do so occasionally or infrequently. Parents with a university degree are more likely to monitor and modify their children’s weight, posture, sitting and agenda than parents without a university degree. Urban parents monitor and adjust the food consumed by the child outside the home more often than rural parents (living in a district or village). Younger parents are more likely to monitor and adjust the habits of children’s personal hygiene. Parents who are more likely to monitor and correct their child’s emotional state are more likely to monitor and correct their child’s misbehaviour
Vyresnio amžiaus mokinių fizinis aktyvumas karantino laikotarpiu.
No full textThe article presents a study of the physical activity of older students (15 to 18 years old) during the lockdown period. It analyses whether students’ physical activity changed during the lockdown period after the introduction of certain restrictions in a survey of 150 respondents at the General Education and Vocational Training Centre. Summarising the results of the survey, it can be stated that one third (30%) of the respondents spent three to four hours a week with friends and family during the lockdown. The respondents also actively participated in volunteering: as many as 30% devoted some time to this activity. It also turned out that a third of respondents (30%) spent between three and four hours at a computer. The study found that physical activity did not decrease during lockdown, only the nature of activities and the physical activity changed. It should be noted that those students who were active in sports prior to the announcement of the lockdown restrictions remained physically active
Globalus pilietybės ugdymas ikimokyklinio ugdymo įstaigose: etnografinis tyrimas.
No full textThe aim of this article is to provide an overview of pre-school global citizenship education. Modern society is facing new challenges and social problems affecting all people. In order to tackle them successfully, it is advisable to talk with children about these issues from an early age. The pre-school age is described as the most appropriate time to develop global citizens who are able to recognise the problems of the modern world not only in their immediate environment, but also to understand the links between their immediate environment and the world. The paper presents some of the results of a micro-ethnographic study conducted at X pre-school. The observation of a group of pre-school children was carried out, and interviews with pre-school teachers were organised. The data gathered from the study revealed that global citizenship education is manifested in the formal activities of pre-school children. Global citizenship is manifested through children’s construction of knowledge about their immediate environment and their home country, complemented by new knowledge about the world. Children are able to acknowledge themselves as global citizens, to recognise and talk about social problems in the context of the immediate environment and the world, propose solutions to global problems, and contribute actively to the creation of a clean, safe and sustainable environment
Recolonization origin and reproductive locations, but not isolation from the sea, lead to genetic structure in migratory lagoonal fishes /
No full textThe assessment of connectivity in marine ecosystems is a requirement to adequate fisheries management. In this study we have selected two commercially exploited migratory species, European perch (Perca fluviatilis) and European smelt (Osmerus eperlanus), to evaluate the connectivity between the Curonian Lagoon and the coastal Baltic Sea. Our results indicate that isolation between the coastal lagoon and the adjacent sea area does not lead to the formation of genetic structure in migratory fish species. However, both species do register subpopulations coexisting in the area without interbreeding. This indicates that the fisheries management for migratory fishes in coastal lagoons affects a wider area than just the coastal lagoon. European perch, being a postglacial recolonizer from various refugees, has four different subpopulations, while the mechanism that maintains this division remains unexplored. The feeding migrations of European perch to the coastal zone suggest that the reproduction might occur elsewhere and that the factors for genetic structure suggested at the Baltic Sea scale might operate during these migrations. For European smelt, we discuss the existence of two different ecotypes, one lagoonal and one diadromous, and the different registered spawning locations as explicative causes for the maintenance of two genetically divergent clusters. The lagoonal ecotype reproduces and spawns inside the Curonian Lagoon while the diadromous one lives in the open Baltic Sea, performing spawning migrations to the lagoon and the mouth of Nemunas river, thus, maintaining the genetic divergence among them. However, our results indicate that there are no differences in size between both clusters, while the lagoonal population is expected to be smaller, forbidding the determination of two genetically different ecotypes. We conclude that there are no geographically and genetically separated populations of these two species in the lagoon-sea- terrestrial inlets continuum, and unified stock management for the coastal Baltic Sea and the Curonian lagoon is required
The effect of COVID-19 restrictions on changes in moderate-to-vigorous physical activity was "A Double-Edged Sword": it improved for some and worsened for others /
No full textThe objective was to determine the contributions to changes in moderate-to-vigorous physical activity (MVPA) during the COVID-19 restrictions by age, gender, education, place of residence, type of work, type of sport, Body Mass Index (BMI), subjective health status, smoking, alcohol consumption, overeating, impulsivity, depression symptoms, stress level, sleep duration and emotional intelligence (EI). We interviewed 6369 people in Lithuania before the COVID-19 pandemic and 2392 during the COVID-19 restrictions, and they were 18–4 years old. The initial COVID-19 restrictions reduced MVPA. This decrease was greater in individuals with lower education levels, higher BMI, higher stress levels and higher self-rated health status. MVPA decreased among those whose self-rated health status was the poorest but increased among those whose self-rated health status was the best. MVPA decreased among young women, women whose work was mostly sedentary and smoking women, and it decreased among overeating men. The particularity of sport, alcohol consumption, sleep duration, EI, impulsivity and depression symptoms did not have a significant effect on changes in MVPA during the COVID-19 restrictions, among either gender or any age group
Relationship between burnout syndrome and bad habits among nursas.
No full textRelevant prevalence of burnout in nurses working in inpatient and family settings may be due to the fact that in these days when the COVID - 19 virus is rampant, nurses are often infected with the virus and therefore cause many positive negative factors such as stress on their accents and loved ones. working hours, awkward clothes, extreme fatigue. All this leads to burnout syndrome. In order to preserve productive nurses, there is a need for the prevalence of burnout in nurses working in hospitals and family centers