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Content available The identification of problematic software testers management areas
Langa Alina, Jóźwiak Ireneusz J., Starościak Kacper, Switana Jan, Jóźwiak Alicja M., Nowak Wojciech M.
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
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2021
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z. 153
303--316
EN
Purpose: The purpose of this paper is to explore the condition of managing manual software testers. Design/methodology/approach: The analysis is based on a survey targeting three groups (managers, testers, development team members) that will touch on areas consistent with the management functions. Findings: The condition of testers’ management can be described as good, but there is a probability of improvement for the areas that have been studied. Research limitations/implications: It’s worth carrying out similar research on larger samples to make sure about the obtained averages values and statistical differences between them. It’s also worth proposing methods to improve the possible problematic areas that have been found in this research paper. Practical implications: This paper may draw the attention of managers whose subordinates are software testers that there are areas where they can improve their management. Originality/value This research shows how testers’ management is perceived by managers, how it is perceived by testers and how it is perceived by other members of development teams.
2
Content available European Union funds in infrastructure development of Polish rail transportation between 2014-2020
Gricer Daniel, Jóźwiak Ireneusz J., Switana Jan
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
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2021
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z. 153
143-154
EN
Purpose: The purpose of the paper is to present the importance of the EU Funds in infrastructure development in Poland. Design/methodology/approach: The analysis is based on a survey, which indicated importance and directions of EU Funds in polish rail infrastructure. Also the survey measured the status of infrastructure and the most famous items of it. Findings: (mandatory) Positive impact of European Funds in infrastructural investments and development. Originality/value The research shows the value of investments, which have a significant contribution of EU Funds.
3
Content available Applying chaos theory to risk management in a game of chance
Jóźwiak Ireneusz J., Mariański Aleksander, Switana Jan, Szczepanik Michał
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
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2020
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z. 144
195--211
EN
Purpose: The purpose of the paper is to illustrate the usage of techniques known from chaos theory to analyze the risk Design/methodology/approach: In this case the objects of application are winnings graphs of different poker players. Two types of players are presented; winning players (those with positive expected value) and breaking even players (expected value close to zero). Findings: Charts were analyzed with a fractal dimension calculated with the box method. Originality/value: Relation between fractal dimension and Hurst exponent is shown. Relation between risk in sense of chaos theory and players’ long-term winning is also described. Further applications of chaos theory to analyze the risk in games of chance are also proposed.
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