Юрьев Г.А. кандидат физико-математических наук, доцент, заведующий научной лабораторией, Московский государственный психолого-педагогический университет, Москва, Россия ORCID: https://orcid.org/0000-0002-2960-6562 e-mail: firstname.lastname@example.org
Computerized testing is widely used for diagnostics and estimation of professional skills including CM education quality control. Both quality of testing and reliability of its results depend on a selected test technology that was a scientific research object during last years. Numerous problems following applications of tra¬ditional testing techniques inspired creation of the adaptive testing technology under consideration, which is based on application of trained structures in the form of continuous-time Markov models. Its peculiarities, in particular, are revealing and using test solution capability changes in quantitative evaluation of their time-domain dynamics as well as taking into account timetable of testing process. The approach suggested has certain advantages over the testing techniques, which were used before, owing to its greater information capability and acceleration of a test procedure. The main subject under consideration is elimination of artifacts conditioned by certain forms of illegal purposeful interference in testing procedure. It is carried out on the basis of comparing observed and expected subject responses with the aid of the Kalman filter adapted to the peculiarities of the problem in question.
Estimation of probabilities for various skill levels is performed basing on
test results obtained with the aid of parametric mathematical models described
by Markov random processes with discretestates and continuous or
discrete time. Further discussion applies to the models with continuous
time only. Directly observable quantity is the difficulty of task being
executed, measured in logit. The valid range of this quantity is divided into
several intervals, each of them is considered as a separate state
xi, i=0,1,,n, in which a testee may be with
certain probability, transferring from one state to another according to
certain rules. The length of these intervals determines the discrimination of
estimates obtained in the testing process. In turn, the number of states is
determined by the desired discrimination of estimates and available sample
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