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The use of selected social networks by pupils of the second grade of a primary school in Havlíčkův Brod region
Prchalová, Kateřina ; Váchová, Alena (advisor) ; Kollerová, Lenka (referee)
The diploma thesis deals with the use of selected social networks by pupils of the second grade of a primary school in Havlíčkobrodsko. In the theoretical part, is first defined the term social network, the most used social networks are gradually described and the risks that users may encounter in the online environment are characterized, including the impact on their psychological and physical health. The practical part is prepared on the basis of research that was carried out using the questionnaire survey method in the 8th and 9th grade of a selected elementary school in Havlíčkův Brod. The aim of the research was to find out information about the use of social networks by second-grade elementary school pupils, especially to determine which social networks they use the most often, how much time they spend on social networks and whether they follow the principles of safe behaviour in the online space. The results of the questionnaire survey showed that students most often use the social network Instagram. They use this network mainly for communication, then for watching short videos called Reels and contributions from other users. The research shows that a relatively large group of respondents spend an excessive amount of time on social networks, especially at weekends, when they are able to...
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Knowledge of lower secondary selected school pupils about dental hygiene
Prchalová, Kateřina ; Thorovská, Alena (advisor) ; Zvírotský, Michal (referee)
The bachelor's thesis deals with the knowledge of lower secondary students of a selected school about dental hygiene. The theoretical part is focused mainly on the prevention of dental caries and dental aids. There is also described the anatomy of the oral cavity, the morphology of the teeth, the structure of the teeth, the structure of the teeth as a whole and the most common diseases caused by insufficient or incorrectly performed oral hygiene. The practical part is mediated by a questionnaire survey, which took place in the 9th grade of primary school in Havlíčkův Brod. The aim was to find out what knowledge the students have about dental hygiene, dental aids and teeth in relation to the subjects of health education and natural history. The second partial goal was to find out what is their most common source of information about dental hygiene. The results of the questionnaire survey showed that the pupils of this school have a satisfactory knowledge of dental hygiene, but the anatomical knowledge about the teeth and the problems caused by the insufficient hygiene of the oral cavity is less satisfactory. It was found that pupils most often obtain information from parents, dentists or dental hygienists. On the contrary, they get the least information from advertisements and influencers. At least...
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