Applications of analyzing paragraphs of psychological and cognitive tests using the coefficients of difficulty and discrimination and their role in strengthening and stability

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Rafahiya Bouchareb, Kadri Abdelhafid , Trifa Mohamed

Abstract

The research paper aims to identify the methods of analyzing paragraphs of psychological and cognitive tests, where we focused on clarifying the methods of calculating the difficulty level and its degree of discrimination, and their significance between the higher and lower levels in the trait or ability measured by the test. In light of a specific internal or external test, the purpose of paragraph analysis is to improve the degree of sincerity and reliability of the total test, in addition to knowing the good sequence of paragraphs.

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