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The article contains an analysis of changes in size and structure of Poland's population in the working age between 1950 and 1980. The data base for this analysis were four postwar population censuses in 1950, 1960, 1970, and 1978, as well as current statistics. The analysis is focused on the influence exerted by three basic demographic processes i.e. defeminization process, population aging ргосеss,...
The analysis performed by the author aimed at compiling a list of factors determining professional stability of teachers. It was based on results of researches conducted among the teaching personnel in grammar schools of Łódź in 1970 and 1971. On the basis of aggregation inputs from the point of view of the average age there was compiled a list of potential stabilization factors. This list including:...
While striving to increase economic effectiveness of automatic data processing systems working for economic units there should be avoided excessive costs of programming these systems through application, to a possibly wide extent, of already existing solutions, and - first of all - of standard programme packages. Accordingly there arises a need for a properly constructed information system furnishing...
The article represents and attemptat definition of changes in the level of wages and pensions in the population group at the retirement age. The analysis was performed in dynamic approach and covers the period from 1974-1976. It allows among others to formulate the following conclusions: 1. In 1974 the average total pension measured by means of the arithmetic average represented only 47 p.c. of the...
The article describes main factors determining effectiveness of the decision-making process. The author analyzes possible variants of making a decision and obtaining post-decieional effects depending on (quantitative and qualitative values) of time, information, decision-making techniques, and predispositions of decision-making subjects.
The article discusses selected problems in methodology of designing comprehensive information systems. Main emphasis has been laid on modelling of information systems for companies. Presentation of bases for construction of models and description of their main types provides a basis allowing the author to draw conclusions concerning their application. Modelling of information systems is treated as...
While introducing automatic data processing systems in economic units in accordance with the principle of rational economy the attempts should be made at achieving the set goals through possibly lowest input of resources and material means. Costs connected with designing and programming the system represent an essential component of this input. They may be considerably decreased if designers employ...
The article contains ananalys is of the Influence of the main demographic factors (sex and age) on the utilization by elderly people in Łódź of services provided by local public health-care units. The analysis was based on empirical data obtained through researches conducted in 1978 with in the framework of the centrally sponsored research project on "Needs of Elderly People in the Sphere of...
The article presents an attempt at definition of changes in the level of incomes of the retired people in comparison with the distribution of wages of people employed in the socialized economy. Description of these changes was performed according to age and sex in a dynamic approach for the period of 1974-1976. The analysis of the obtained distributions both theoretical and empirical allows to formulate...
Changes in the level of education of the population occuring in the contemporary Polish society pose a requirement of including this process in to forecasting studies concerning the population’s needs. The article aims at presentation of finding of researches conducted within the framework of the Key Research Project No. 11.5 on the impact of the educational background on the volume and structure...
The article analyzes the demographic forecast in the area of the population's aging process in Poland. There are discussed in it the predicted changes in the number of the population aged 65 and more, and its structure according to sex, age, and the dwelling place (town-country). The analysis of the progressive process of the population’s aging as predicted for the future is preceded by the estimation...
The article discusses selected problems in methodology of designing comprehensive information systems. Main emphasis has been laid on modelling of information systems for companies. Presentation of bases for construction of models and description of their main types provides a basis allowing the author to draw conclusions concerning their application. Modelling of information systems is treated as...
The article discusses the simulation method of determining optimal size of the machine stock. The calculating 'procedure was divided into two stages. In the first stage there is defined the structure of the existing stock being optimal for securing continuity of the production process. In the second stage the obtained number of machines is being verified according to the real working time and characteristics...
The paper is an attempt at analysis of medical services provided by a random sample of urban district outpatients clinics in the administrative provinces of Kalisz and Włocławek to elderly patients over a period of one year as compared with the number of medical services provided for the adults. Against the demographic structure of the sample according to sex and territorial differentiation there...
The article contains the analysis of selected findings of researches on the frequency of visits in general medical departments of selected health-care units. The author presents distributions of frequency of clinical consultations and home calls according to the sex of patients. The value of the mean number of clinical consultations and home calls was estimated for specific age groups of men and women...
The problem of mortality rate of inhabitants of Łódź according to causes of deaths was discussed in comparison with four big towns of Poland i.e. Warsaw, Poznań, Cracow, and Wroclaw. In the light of this comparison for the period of 196O-1974 the situation in Łód£ is rather unfavourable. One of the main causes of deaths, and namely diseases of circulatory system show the highest dynamics in Łódź....
W artykule podjęto próbę zastosowania techniki bootstrapowej w testowaniu
wielokrotnym. Przy testowaniu wielu hipotez jednocześnie należy zwrócić szczególną
uwagę na ogólny poziom istotności definiowany jako prawdopodobieństwo odrzucenia co
najmniej jednej prawdziwej hipotezy zerowej. Zaproponowano sekwencyjną procedurę
testową służącą do weryfikacji hipotezy o odpowiednim uporządkowaniu średnich...
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