edscienceОбразование и наукаThe Education and science journal1994-56392310-5828RSVPU10.17853/1994-5639-2014-7-36-46edscience-243Research ArticleКВАЛИМЕТРИЧЕСКИЙ ПОДХОД В ОБРАЗОВАНИИQUALIMETRIC APPROACH IN EDUCATIONИССЛЕДОВАНИЕ ТОЧНОСТИ ИЗМЕРЕНИЯ ЛАТЕНТНЫХ ПЕРЕМЕННЫХ В ОБРАЗОВАНИИINVESTIGATION OF MEASUREMENT PRECISION OF LATENT VARIABLES IN EDUCATIONМаслакА. А.Maslak Anatoly A.Anatoly A.

доктор технических наук, профессор, заведующий лабораторией объективных измерений

Doctor of Science, Professor, Head of Laboratory for Objective Measurement

ruch_measurement@mail.ruОсиповС. А.OsipovSergey A.

кандидат технических наук, доцент кафедры математики и информатики

Candidate of Sciences, Associate Professor, Department of Mathematics and Informatics

osipov21@mail.ruГончароваТ. Н.GoncharovaTatyana N.

аспирант кафедры математики и информатики

Postgraduate, Department of Mathematics and Informatics

tngonchrova@mail.ruфилиал Кубанского государственного университета, Славянск-на-КубаниРоссияAffiliate of Kuban State University, Slavyansk-on-KubanRussian Federation201408032015073646Copyright © Маслак А.А., Осипов С.А., Гончарова Т.Н., 20152015Маслак А.А., Осипов С.А., Гончарова Т.Н.Maslak Anatoly A. A.A., Osipov S.A., Goncharova T.N.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.edscience.ru/jour/article/view/243

Цель работы – исследование точности измерения латентных переменных в зависимости от числа дихотомических тестовых заданий и диапазона их варьирования.

Методика и методы

Методика и методы: исследование проведено на основе имитационного моделирования.

Результаты

Результаты. Разработаны рекомендации по выбору числа дихотомических тестовых заданий и диапазона их варьирования в зависимости от требуемой точности измерения латентных переменных.

Научная новизна

Научная новизна. Получена статистическая взаимосвязь между точностью измерения латентной переменной и числом тестовых заданий и диапазона их варьирования.

Практическая значимость

Практическая значимость. Результаты исследования могут быть использованы при построении тестов и опросников для измерения латентных переменных.

The objective of the study is to investigate the measurement accuracy of latent variables depending on a number of dichotomous test items and variation range.

Methods

Methods: Investigation is based on the simulation experiments.

Results

Results: The authors make recommendations for selecting a number of dichotomous test items and variation range depending on the required measurement precision of latent variables.

Scientific novelty

Scientific novelty: The research demonstrates statistical correlation between the measurement precision of latent variables and a number of test items and variation range.

Importance for practice

Importance for practice: The research results can be used while developing the questionnaires and tests for measuring the latent variables.

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The authors declare that there are no conflicts of interest present.