SOCIALIZATION OF DIGITAL EDUCATION THROUGH THE ENHANCEMENT OF REMOTE TESTING

The article is based on the results of analysis of educational subjects for bachelors of the 1st, 2nd, and 3d years of education in the socio-adapted system of remote training for various management and economic specialization profiles. According to the conducted study, the course units have been determined for which remote training and controlled assessment are justified, the results of electronic testing of students have been summarized, the dynamics of the results has been revealed, the directions of enhancement of testing and testing material development technologies have been shown, the socio-adapted types of test questions have been highlighted, and examples of typical test questions have been provided, recommendations on the method of presentation of educational material have been formulated

RESEARCH SYSTEM BASED ON PLASMA FOCUS CHAMBERS

Research system based on plasma focus chambers used the pulsed neutron and X-ray generator with plasma focus chambers with radiation pulse duration ~10 ns. The electrodes surface modification of the chambers after interaction with the plasma sheath and directed plasma jets are shown experimentally

About robustness and power of variance homogeneity tests

Classical variance homogeneity tests (Fisher's, Bartlett's, Cochran's, Hart- ley's and Levene's tests) and nonparametric tests for dispersion characteristics homogeneity (Ansari-Bradley's, Mood's, Siegel-Tukey's tests) have been consid- ered. Distributions of classical tests statistics have been investigated under vio- lation of assumption that samples belong to the normal law. The comparative analysis of power of classical variance homogeneity tests with power of nonpara- metric tests has been carried out. Tables of percentage points for Cochran's test have been obtained in case of distributions which are di®erent from normal