Sürdürülebilir Kalkınma Amaçları
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- Dertli, Enes(11)
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Yayınlar
- MakaleYalnız künye2016Scopus SJRQ2Examination of the 8th grade students' TIMSS mathematics success in terms of different variables1
Kaleli-Yılmaz, Gül; Hanci, Alper
The aim of this study is to determine how the TIMSS mathematics success of the 8th grade students differentiates according to the school type, gender, mathematics report mark, parents' education level, cognitive domains and cognitive domains by gender. Relational survey method was used in the study. Six-hundred fifty two 8th grade students studying in the same city in Turkey participated in this study. In this study, a 45 question test that was made up by choosing TIMSS 2011 mathematics questionnaire was used as a data collection tool. Quantitative data analysis methods were used in the data analysis, frequency, percentage, average, standard deviation, independent sample test, one-way analysis of variance and post-hoc tests were applied to data by using SPSS packaged software. At the end of the study, it was determined that the school type, mathematics school mark, parents' education level and cognitive domains influenced the students' TIMSS mathematics success but their gender was a neutral element. Moreover, it was seen that schools which are really successful in national exams are more successful in TIMSS exam; students whose mathematics school marks are 5 and whose parents graduated from university are more successful in TIMSS exams than others.
AtıfScopus12WoS11OpenAlex18
İncele - MakaleAçık Erişim2015Scopus SJRQ1A new frost salt scaling mechanism for concrete pavements based on brine rejection from ice layer adhered to concrete surface
Yener, Engin
In cold regions, highways, airfields or sidewalks are exposed to de-icing agents to thaw the ice layer on pavement surface. In this situation, a progressive surface damage that pulls off flaky chips from concrete pavement takes place. This damage is named as frost salt scaling. To produce scaling-resistant concrete and prevent the damage in the field, the deterioration mechanism should be understood well. For this aim, a number of mechanisms have been hypothesised in literature. However, there is no unique one which can be used to explain all observations from laboratory tests and field applications. In this study, a novel hypothesis that is built on earlier findings in literature is introduced. According to the proposed mechanism, the pressure applied by forced brine from outer strong ice layer, which adhered to surface, causes scaling in the strongly ice adhered regions. The published events that are unexplainable by a unique former mechanisms proposed in literature related to the frost scaling are rationalised based on the proposed mechanism.
AtıfScopus16WoS13OpenAlex25İncele - DergiJournal of Experimental and Theoretical Artificial Intelligence
- DergiZoology in the Middle East
- DergiEstudios de Psicologia
- DergiBiofuels
- DergiEngineering Optimization
- DergiToxicological and Environmental Chemistry
- DergiNordic Journal of Psychiatry
- DergiMechanics of Advanced Materials and Structures
- DergiComplex Variables and Elliptic Equations
- DergiApplicable Analysis
- DergiInternational Journal of Occupational Safety and Ergonomics
- DergiInternational Journal of Ambient Energy
- DergiInternational Journal of Cast Metals Research
- DergiElectric Power Components and Systems
- DergiInternational Journal of Mathematical Education in Science and Technology
- DergiPlant Biosystems
- DergiBiocatalysis and Biotransformation
- DergiJournal of Plant Nutrition