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The classical test theory, on the basis of which the majority of diagnostic tools was created, has many defects associated with the lack of measuring principles in it. Today, advanced psychometric technologies based on modern test theory are relevant. These include the Rush model. These technologies surpass the classical theory of tests in scientific validity and applied efficiency, created on the basis of their psychometric scales. The purpose of the study: conduct a psychometric analysis of the scales of validity, anancastiness, impulsivity and hypersensitivity, created on the basis of the statements of the questionnaire of neurotic disorders.Surveyed 296 people. The main statistical method of work is the Rush metric system. Results: new scales have been developed: the scales of validity, anancastiness, impulsivity and hypersensitivity based on the questionnaire of neurotic disorders; statements of the presented scales have adequate constructive validity; measures of difficulty points — mainly within the regulatory range from -2 to +2 logites; the scales are one-dimensional, have a relatively balanced metric structure; reliability index validity scale is 0.88, the anancastiness scale — 0,87, the impulsivity scale — 0.82, the hypersensitivity scale — 0,93; scales of anancastiness and impulsivity are able to differentiate 3 levels of severity of properties, and scales of validity and hypersensitivity — 2.

To date, there is an urgent need to develop psychometric scales that would not depend on the distribution of assessments and on the construct itself. Creation of such scales is possible only on the basis of technologies that are not conceptually related to distribution parameters. These technologies include the Rush model. The purpose of the study: to evaluate the diagnostic parameters of the scales of overcontrol and low control of the questionnaire of neurotic disorders. Surveyed 296 people. The main statistical method of work is the Rush metric system. Results: on the basis of the metric system Rasha developed new scales: a scale of overcontrol and a scale of low control of the questionnaire of neurotic disorders; statements of both scales have adequate constructive validity; measures of difficulty points — within the regulatory range from -2 to +2 logites; both scales are one-dimensional, have a balanced metric structure; reliability index supercontrol scale is 0.78, and the low control scale — 0.76; scales are able to differentiate 3 levels of severity of properties.

Relevance. At present the application of numerical analyses to real problems of dam engineering has suffered at times from the gaps between the specialists of mathematical modeling and dam engineers and managers. The first group usually includes information system specialists because they are able to develop the computer models to their full potential. The professionals belonging to the second group often prefer to revert to traditional methods of calculation and empirical methods based on their proven experience. The aim of the work - based on recommendations of International workshops seminars, organized by the ICOLD Committee on Computational Aspects of Dam Analysis and Design, help dam engineers to interact with mathematical modeling specialists and to work with them without language barriers or gaps in knowledge. In this relation the assessment of reliability and applicability of numerical analyses of dams allows engineers to develop the optimal dam design. Methods. Assessment of the reliability of numerical methods of analyses of dam behavior was based on data of 10 International benchmark-workshop seminars, organized by the Committee in Italy (1991 and 1992), France (1994 and 2009), Spain (1996), USA (1999), Austria (2001), Romania (2003), China (2005), Russia (2007), in which specialists of these countries also took part.

The purpose of the article is to describe methodological approaches to the complex concept of reliability of engineering enterprises in a competitive environment. The concept of enterprise reliability is proposed to include the following areas of analysis: sustainability of economic growth, financial stability, industrial mobility and market stability. Each of the areas under consideration has its own aspects of analysis and indicators. The definitions of the proposed directions have been given, the need for their joint use in determining the reliability of the enterprise has been substantiated. The main content of the study is to analyze each component of the reliability of the enterprise, the proposed system of indicators that determine them, as well as the most favorable trends in the last time to improve the status and reliability of the enterprise. According to the results of the conducted research, the conclusion about the necessity of development of methods of reliability evaluation of engineering enterprises through the levels to create the structure of sectoral development opportunities has been made.

One of the key indicators of heat supply organizations is the reliability of energy facilities. The index of reliability of heat supply organization is of interest to potential investors, to assess the risks of investing projects. We propose a method of determining the reliability of heat supply organizations with the use of SAW (simple additive weighting method). We are developing a versatile program and the analysis of heat supply organizations on the example of the Republic of Tatarstan.

The main interest of designers is not only to determine the amplitudes of tillage forces but also the type of their distributions under different soil mechanical properties with object of achieving reliable designs. Whereas, the deterministic design approach consists in achieving designs without considering the randomness of the design parameters that may lead to non reliable designs. In this work, we establish a statistical study on the randomness of the soil properties in collaboration with Cranfield University. This new study can be considered as a useful database for agricultural equipment design fields. Here, we take into account the uncertainties of soil mechanical properties that have big effects on tillage forces. The tillage forces are calculated in accordance with analytical model of McKyes and Ali with some modifications to include the effect of both soil-metal adhesion and tool speed. The distributions of soil-tool forces are next established to design soil tillage equipments such as shank chisel plow. The reliability index is then calculated using two deferent methods (Monte Carlo method and Hasofer and Lind approach). The Hasofer and Lind approach provides the structural reliability level with a low computing time relative to the Monte Carlo approach

Определены задачи планирования структурно-иерархичного выборочного контроля надежности изделий одноразового применения. Предложен подход к учету результатов эксплуатации однотипных изделий, их составных частей и элементов, а также результатов автономных испытаний элементов при планировании комплексных выборочных испытаний изделий одноразового применения на надежность. Разработана математическая модель комплексных выборочных испытаний на надежность изделий одноразового применения. Данная математическая модель базируется на использовании байесовского подхода к учету априорной информации о величине показателей надежности для разных вариантов структурного построения изделий. Результаты проведенных расчетов свидетельствуют о возможности уменьшения объемов испытаний, что обусловливает целесообразность использования разработанных предложений при определении параметров планов выборочных испытаний изделий одноразового применения. Изложенный подход рекомендован к использованию при планировании контрольных испытаний на надежность однотипных объектов большой стоимости.