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Direct linkGustafsson, Martin; Barakat, Bilal Fouad – Comparative Education Review, 2023
International assessments inform education policy debates, yet little is known about their floor effects: To what extent do they fail to differentiate between the lowest performers, and what are the implications of this? TIMSS, SACMEQ, and LLECE data are analyzed to answer this question. In TIMSS, floor effects have been reduced through the…
Descriptors: Achievement Tests, Elementary Secondary Education, International Assessment, Foreign Countries
Download full textIlhan, Mustafa; Öztürk, Nagihan Boztunç; Sahin, Melek Gülsah – Participatory Educational Research, 2020
In this research, the effect of an item's type and cognitive level on its difficulty index was investigated. The data source of the study consisted of the responses of the 12535 students in the Turkey sample (6079 and 6456 students from eighth and fourth grade respectively) of TIMSS 2015. The responses were a total of 215 items at the eighth-grade…
Descriptors: Test Items, Difficulty Level, Cognitive Processes, Responses
Liou, Pey-Yan; Bulut, Okan – Research in Science Education, 2020
The purpose of this study was to examine eighth-grade students' science performance in terms of two test design components, item format, and cognitive domain. The portion of Taiwanese data came from the 2011 administration of the Trends in International Mathematics and Science Study (TIMSS), one of the major international large-scale assessments…
Descriptors: Foreign Countries, Middle School Students, Grade 8, Science Achievement
Babiar, Tasha Calvert – Journal of Applied Measurement, 2011
Traditionally, women and minorities have not been fully represented in science and engineering. Numerous studies have attributed these differences to gaps in science achievement as measured by various standardized tests. Rather than describe mean group differences in science achievement across multiple cultures, this study focused on an in-depth…
Descriptors: Test Bias, Science Achievement, Standardized Tests, Grade 8
Sireci, Stephen G.; Gonzalez, Eugenio J. – 2003
International comparative educational studies make use of test instruments originally developed in English by international panels of experts, but that are ultimately administered in the language of instruction of the students. The comparability of the different language versions of these assessments is a critical issue in validating the…
Descriptors: Academic Achievement, Comparative Analysis, Difficulty Level, International Education
