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Now showing items 25641-25660 of 53188
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TDDFT Investigation of the hybrid organic inorganic perovskite: CH 3 NH 3 PbC 3
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Hybrid organic-inorganic metal perovskites (chemical formula: ABX3, A-organic cation, B-metal ion, X-halide) are the latest advancement for increasing efficiency in thin-film solar cells or Dye Solar Cells (DSC). They have ... -
TDDFT studies on effects of the size on optoelectronic properties of 2D germanene sheets
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)We report on the TDDFT calculations of the effect of the size on the optoelectronic properties of germanene sheets. Five structures of germanene were considered. All structures were optimized and their electronic and optical ... -
TDDFT Studies on sheet size-dependency of optoelectronic properties of 2d silicon
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Silicene, a two-dimensional (2D) silicon nanosheet, has gained immense interest due to potential applications, better compatibility, and expected integration with current silicon (Si) technology. This work explores the ... -
Tdeveloping A Two-Phase Post-Stratified Inverse Sampling To Reduce The Nonresponse Bias. Case Study: Students’ Satisfaction Survey In Qatar University
(2019 , Master Thesis)This research aims to develop a Two-phase Post-stratified Inverse Sampling (TPIS) to avoid or reduce the bias of nonresponse for students’ satisfaction survey of Qatar university. In the first phase, the students are ... -
Tea Consumption Is Associated with Reduced Cognitive Decline and Interacts with Iron Intake: A Population-Based Longitudinal Study on 4,820 Old Adults.
( IOS Press , 2022 , Article)Previous studies suggest a positive effect of tea intake on cognition. Additional micronutrients that may moderate this association was not previously examined. To examine the association between tea consumption and cognition ... -
Tea flavanols block advanced glycation of lens crystallins induced by dehydroascorbic acid
( American Chemical Society , 2015 , Article)Growing evidence has shown that ascorbic acid (ASA) can contribute to protein glycation and the formation of advanced glycation end products (AGEs), especially in the lens. The mechanism by which ascorbic acid can cause ... -
Teach Education: Preparing for the twenty-first century
( Qatar University , 1983 , Article) -
Teach for Qatar: Teachers’ Challenges and Resources in Qatar’s Government Schools
( SAGE Publications , 2022 , Article)Launched in 2014, Teach for Qatar (TFQ) is a local non-governmental organization under Teach For All (TFALL) that recruits and prepares graduates and professionals as teaching fellows in the Qatari government schools. This ... -
Teacher education and the development of teacher identity
( Taylor and Francis , 2016 , Book chapter)This chapter reports on a study of teachers' professional identity development, which took place in a Sudanese English as a foreign language (EFL) teacher education program. The socio-political and economic discourses are ... -
Teacher Evaluation
( Qatar University , 1987 , Article)Teacher evaluation is considered to be a significant issue in education. However, the quality of educational output depends heavily on the quality of the teacher. Therefore, this paper focuses on several factors such as ... -
Teacher leadership and virtual communities: Unpacking teacher agency and distributed leadership
( Springer Nature , 2024 , Article)This study explored the development of teacher leadership in collaborative online spaces, also called virtual communities of practice (vCoP). Employing a phenomenological research design with semi-structured interviews as ... -
Teacher perceptions of professional development in the context of national educational reform: the case of Qatar*
( Blackwell Publishing Ltd , 2011 , Article)In light of nationally mandated educational changes in Qatar, this study investigates in-service teachers' perceptions of professional development (PD). The aims are to identify challenges facing teachers' PD. The respondents ... -
TEACHER SELF- EFFICACY IN EMERGENCY ONLINE TEACHING - A CASE OF QATARI GOVERNMENTAL SCHOOLS
(2021 , Master Thesis)This study investigates primary school teachers' self-efficacy beliefs in online teaching during the pandemic. It also intends to highlight if there are significant differences in the level of self-efficacy according to ... -
Teachers and students’ views prior to introducing inquiry-based learning in Qatari science and mathematics classrooms
( Elsevier Ltd , 2021 , Article)Teachers and students' dispositions have a major influence towards the introduction of inquiry-based learning (IBL). In this study we present analysis of pre professional development interview data from teachers (n = 16) ... -
Teachers' and parents' perceptions of the role of technology and digital media in developing child culture in the early years
( Elsevier Ltd , 2017 , Article)The main purpose of this study was to examine the perceptions of preschool teachers and parents on the extent to which technology and digital media (TDM) contribute toward developing child culture in Jordanian early years ... -
Teachers' perceptions of one-to-one computing effect on learning environment in Qatari secondary schools
(2017 , Master Thesis)The purpose of this study is to examine the effect of one-to-one computing on the learning environment based upon teachers’ perceptions in Qatari secondary schools implementing the E-Schoolbag project (phase one and phase ... -
Teachers' practices for the purpose of developing creativity among children in primary learning stage and its relation to a number of variables
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)The purpose of this study is to examine teachers' practices performed to develop creativity among children in primary learning stage in Jordan. It also aimed to determine the differences between teachers' creative practices ... -
Teachers' self-efficacy and online teaching during COVID-19 pandemic in qatari governmental schools
( Society for Research and Knowledge Management , 2021 , Article)This study investigated primary school teachers' self-efficacy beliefs regarding online teaching during the Covid-19 pandemic and whether it determines any significant differences in self-efficacy levels based on different ... -
Teachers’ Experiences and Challenges with Student Diversity in Qatar’s Government Schools
( Common Ground Research Networks , 2021 , Article)Globalization has changed the demographics of the Gulf Cooperation Countries (GCC) countries creating vastly diverse resident populations. Notably, Qatar has emerged as a multinational and multicultural nation. Qatar’s ... -
Teachers’ perceptions of the barriers to STEM teaching in Qatar’s secondary schools: a structural equation modeling analysis
( Frontiers Media , 2024 , Article)Introduction: Educators play a pivotal role in shaping students’ academic achievements, particularly in STEM (science, technology, engineering, and mathematics) fields. The instructional techniques employed by teachers ...