<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Nurcan Kahraman</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A META-ANALYTIC EXAMINATION OF THE EFFECT OF INDIVIDUAL AND SCHOOL-AVERAGE ACHIEVEMENT ON STUDENTS' SELF-CONCEPT IN SCIENCE</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Baltic Science Education</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">big fish little pond effect</style></keyword><keyword><style  face="normal" font="default" size="100%">science education</style></keyword><keyword><style  face="normal" font="default" size="100%">self-concept</style></keyword><keyword><style  face="normal" font="default" size="100%">TIMSS</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2024</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February/2024</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://oaji.net/articles/2023/987-1709892182.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">23</style></volume><pages><style face="normal" font="default" size="100%">Continuous</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The purpose of the present study was to examine the effect of individual and school average achievement on students’ self-concept in science. The data of the last four Trends in International Mathematics and Science Study (TIMSS) cycles were used, and a two-stage individual data meta-analysis was conducted to examine the relationship between achievement and self-concept in science. In the first stage, multilevel structural equation modeling was performed for each dataset. Furthermore, the effect sizes were synthesized via meta-analysis with a three-level random-effect model. In addition, moderation analysis was conducted for the year, grade, and degree of stratification in countries. The results suggested a positive and significant effect of individual science achievement on the self-concept of students in science. On the other hand, the relation of the average school achievement was negative. The results were discussed by considering the big-fish-little-pond effect.</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue><work-type><style face="normal" font="default" size="100%">Original article</style></work-type><section><style face="normal" font="default" size="100%">37-44</style></section></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Jelena Ž. Maksimović</style></author><author><style face="normal" font="default" size="100%">Jelena S. Osmanović</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">TEACHERS’ SELF-CONCEPT AND ITS BENEFITS FOR SCIENCE EDUCATION</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Baltic Science Education</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">empirical research</style></keyword><keyword><style  face="normal" font="default" size="100%">practice</style></keyword><keyword><style  face="normal" font="default" size="100%">science education</style></keyword><keyword><style  face="normal" font="default" size="100%">self-concept</style></keyword><keyword><style  face="normal" font="default" size="100%">teachers</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2019</style></year><pub-dates><date><style  face="normal" font="default" size="100%">February/2019</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://oaji.net/articles/2019/987-1550083061.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">18</style></volume><pages><style face="normal" font="default" size="100%">Continuous</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Self-concept, understood as an impression or idea one has about oneself, represents a significant precondition for the professional improvement of teachers, as well as for the advancement of teaching itself and students’ development of  their own positive self-concept. This research aimed to examine the idea of self-concept with the purpose of determining the manner in which primary and secondary school teachers perceive themselves. The factors to be analyzed in relation to the variables, work experience and pay satisfaction, were defined by means of the scale of estimates and factor analysis. The obtained results showed that accepting oneself, self-improvement, self-satisfaction and job satisfaction, as well as the initiative and openness to change varied depending on work experience and pay satisfaction. Work experience, not pay satisfaction,  proved to have an impact on the teachers’ perception of the relationship with their colleagues, whereas the perception of personal and teaching qualities did not depend on the aforementioned variables.</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue><work-type><style face="normal" font="default" size="100%">Original article</style></work-type><section><style face="normal" font="default" size="100%">105-116</style></section></record></records></xml>