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Pradinių klasių mokinių statistinių gebėjimų ugdymas / Education Statistical Skills of Primary Schools PupilsKazlauskienė, Aušra 02 September 2005 (has links)
The problem of the research is systematic approach and accessibility of the content of developing statistical skills for primary school pupils.
The content of developing elements of statistical skills and probability theory integrates pupils’ mathematical skills, knowledge of the content of other subjects, general skills of cognition and their personal experience, therefore it is a general problem of primary education;
A system of items intended for teaching elements of statistics and probability theory is valid and accessible for pupils provided it covers:
- technical skills of statistics (an ability to read and represent data);
- skills of mathematical operations (to calculate the mean, classify data, round off numbers, grasp elements of probability theory, determine percentage of a number);
- cognitive skills of the level accessible to pupils (ability to word a problem, define a hypothesis, compile data to verify the hypothesis, analyse and interpret data, draw conclusions).
The premises for successful development of primary school pupils’ statistical skills are as follows:
- development of primary school teachers’ statistical skills in the framework of their academic and continued education;
- establishment of the content of developing statistical skills corresponding to international standards in the general curricula of the primary school;
- provision of teaching statistics and probability theory elements based in the skills acquired in the primary school in the... [to full text]
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Pradinių klasių mokinių statistinių gebėjimų ugdymas / Education statistical skills of primary school pupilsKazlauskienė, Aušra 05 September 2005 (has links)
The problem of the research is systematic approach and accessibility of the content of developing statistical skills for primary school pupils.
The content of developing elements of statistical skills and probability theory integrates pupils’ mathematical skills, knowledge of the content of other subjects, general skills of cognition and their personal experience, therefore it is a general problem of primary education;
A system of items intended for teaching elements of statistics and probability theory is valid and accessible for pupils provided it covers:
- technical skills of statistics (an ability to read and represent data);
- skills of mathematical operations (to calculate the mean, classify data, round off numbers, grasp elements of probability theory, determine percentage of a number);
- cognitive skills of the level accessible to pupils (ability to word a problem, define a hypothesis, compile data to verify the hypothesis, analyse and interpret data, draw conclusions).
The premises for successful development of primary school pupils’ statistical skills are as follows:
- development of primary school teachers’ statistical skills in the framework of their academic and continued education;
- establishment of the content of developing statistical skills corresponding to international standards in the general curricula of the primary school;
- provision of teaching statistics and probability theory elements based in the skills acquired in the primary school in the... [to full text]
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Kapiliarinių rankos piešinių tyrimas statistikos metodais / Capillary arm study designs using statistical methodsMeilūnaitė, Simona 03 September 2010 (has links)
Įsisavinti matematinės statistikos metodus, taikomus daktiloskopijoje. / To master the methods of mathematical statistics for dactyloscopic.
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Systematic approach in water quality assessment of Lithuanian rivers in the context of physical, chemical and hyd-robiological parameters / Lietuvos upių vandens būklės sisteminis vertinimas fizikinių, cheminių ir hidrobiologinių parametrų konteksteGudas, Mindaugas 02 September 2011 (has links)
In this study the relationships among the land use and soil types in the entire river basin as well as in the buffer strip on the one hand, and the Lithuanian river water quality physico-chemical parameters on the other hand have been identified. The spatially based Factor analysis has been tested on river hydrochemical data from 108 sites for the period of 1999-2004. The Factor analysis enabled the identification of the main natural and anthropogenic processes (factors) determining water quality during each season of a year. As a result, monitoring stations were grouped into clusters each representing a group of stations mostly affected by a relevant factor. In addition, the suitability of world-wide used diatom-based water status assessment methods to apply under Lithuanian conditions has been assessed.
The results of established water quality determining factors and the tested multivariate statistical procedures can be applied in practice when the reasons for water quality impairments are to be investigated or river monitoring network is to be optimized. The results reveal that Wastewater factor is prominent in small rivers downstream larger towns; Agro-geological factor – in northern Lithuania‘s rivers of heavy carbonated soils and intensive agriculture lands as well as in south-eastern Lithuania‘s rivers of more acidic soils; Hardly degradable organics factor – in northern and middle Lithuania‘s rivers of heavy-textured and fertile agricultural soils. The... [to full text] / Pastaruoju metu tiek Lietuvoje, tiek ir visoje Europos Sąjungoje labai aktualu tinkamai įvertinti vandens telkinių būklę (ypač pagal biologinius kokybės elementus), nustatyti vandens telkinių būklės problemas, jas lemiančius veiksnius bei imtis adekvačių būklės gerinimo priemonių, nes to reikalauja 2000 m. įsigaliojusi ES Bendroji vandens politikos direktyva – pagrindinis vandens sritį reguliuojantis teisinis dokumentas. Šio darbo tikslas - nustatyti žemėnaudos, dirvožemių ir upių vandens fizikinių, cheminių ir biologinių parametrų sąveikos dėsningumus vertinant vandens būklę. Įgyvendinant šį tikslą buvo siekiama sistemiškai įvertinti įvairių veiksnių poveikį Lietuvos upių vandens būklei ir nustatyti jų teritorinius dėsningumus bei įvertinti upių vandens būklės pagal titnagdumblius vertinimo metodų tinkamumą Lietuvos sąlygomis. Šiam tikslui pasiekti naudoti Lietuvos upių valstybinio monitoringo, dirvožemio ir žemės dangos duomenys pasitelkiant faktorinę analizę bei atitinkamus vienmatės statistikos metodus.
Rezultatai parodė, kad upių būklę lemiančias priežastis galima patikimai pažinti, kartu vertinant hidrocheminius ir baseinų fizinių charakteristikų, dirvožemių ir žemėnaudos duomenis, jų kompleksiškai tarpusavio ryšių analizei pasitelkus tinkamus daugiamatės ir vienmatės statistikos metodus. Tokia analizė leidžia pažinti ne tik atskirus vandens ekosistemos komponentus, bet ir jų visumą kaip vieną sąveikaujančią sistemą ir priimti kokybiškesnius vandens kokybės valdymo... [toliau žr. visą tekstą]
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