Engin Karadağ

Akdeniz University · Department of Educational Sciences

In this meta-analysis study, different leadership approaches were combined, and the relationship between educational leadership and student achievement was analyzed. In the literature review, 151 research articles/dissertations, independent from one another, were brought together, and 131,498 study subjects were included in the sample group. The re...

In this study, the current rectors of 197 universities (127 public and 70 non-profit foundation universities) in Turkey were examined in terms of their sociodemographic characteristics, career development, and academic qualifications (the number of published articles and citations and H-index). The data were collected via a prosopograhical approach...

This study analyzes the effects of the COVID-19 pandemic on grade inflation in higher education. Data were collected from five universities in Turkey, including grades of 152,352 students who attended 2,841 courses conducted by 903 instructors before the COVID-19 pandemic and grades of 149,936 students who attended 2,841 courses conducted by 847 in...

In this study, the effects of academic inbreeding on individual and institutional research productivity are examined to understand its impact as a recruitment policy. Over the past decade, in particular, there has been growing awareness of the problems posed by inbreeding in higher education. This study aims to expand on this awareness through an a...

Background and aims: Phubbing can be described as an individual looking at his or her mobile phone during a conversation with other individuals, dealing with the mobile phone and escaping from interpersonal communication. In this research, determinants of phubbing behavior were investigated; in addition, the effects of gender, smart phone ownership...

Numerous reputable studies have reported a significant grade increase during the COVID-19 pandemic. These short-term increases cannot be attributed to student achievement, suggesting that the pandemic has precipitated grade inflation. In this study, we examine the temporary and permanent effects of the COVID-19 pandemic on grade inflation in higher...

In this study, we aimed to examine the factors affecting the culturally responsive teaching competencies of academics and tested whether the personality traits and personal meaning profiles of the academics had significant effects on culturally responsive teaching self-efficacy. Data were obtained from 1,883 academics by using the Culturally Respon...

Initiatives to build research universities to have world-class universities, the creator and the disseminator of scientific knowledge in knowledge-based economies, are among the most important policy reactions in higher education systems. With an increase in demands on greater accountability, transparency, and efficiency, studies investigating the...

The aim of this study is to investigate the institutional initiatives implemented by universities to facilitate the socio-cultural adaptation of international students. The research employed a case study design, a qualitative research approach, with a study group comprising 15-unit supervisors/managers selected through maximum diversity sampling, a...

The current study investigated the perspectives of auxiliary staff regarding their profession. This study used a holistic multiple-case study design and a qualitative research method. The sample consisted of 45 auxiliary staff who worked in various K12 public schools in the central districts of a city in Turkey and voluntarily participated in the s...

The aim of this study is to investigate the reasons why international medical students choose Türkiye, which has one of the largest higher education capacities in Europe and is also among the top 10 most preferred countries in the world by international students, and their demographic and socioeconomic characteristics. The data of this cross-sectio...

In this study, we investigate the impact of educational environments characterized by single-sex and co-educational settings on students' academic performance, communication skills, and self-confidence. The analysis encompassed 677 research articles, comprising 798 effect sizes, and involving a cumulative sample size of 1,179,558 participants. The...

Background and Objectives Unplanned hospital readmissions (UHRs) constitute a persistent health concern worldwide. A high level of UHRs imposes a burden on individuals, their families, and health care system budgets. This systematic review and meta-analysis aimed to evaluate the effectiveness of discharge interventions in the transition from hospit...

Integration of technology applications is now an essential part of language education and it has been extensively researched in many experimental studies comparing technology versus non-technology. This study sought to examine the effectiveness of technology-enhanced language instruction for achievement in English and investigate if various study a...

This study examined the change in the rate of graduates with high honors (>3.50) in teacher training programs and the factors affecting grade inflation and graduation GPAs over a 20-year period. In the study, the weighted grade point average of 173,232 student-teachers who had graduated from 32 teacher training institutions between 2003 and 2022 wa...

ÖZET Bu araştırmanın amacı, Türk yükseköğretim sisteminde öğrenci bağlılığının ulusal düzeyde hangi seviyede gerçekleştiğini belirlemek ve öğrencilerin kişisel ve üniversite deneyimlerine göre öğrenci bağlılığını incelemektir. Araştırmada nicel araştırma yaklaşımlarından tarama modeli kullanılmıştır. Araştırmanın örneklemi ise, tabakalı örnekleme y...

Bu araştırmanın amacı, Türk yükseköğretim sisteminde öğrenim gören öğrencilerin öğrenci bağlılığı kapsamında kişisel ve üniversite deneyimlerine yönelik özelliklerini incelemektir. Araştırmada nicel araştırma yaklaşımlarından tarama deseni kullanılmıştır. Araştırmanın evreni, Türkiye’deki 129 devlet üniversitesinde öğrenim gören 1969844 lisans öğre...

In this study, we investigated whether the interaction effects of self-efficacy, life satisfaction, and sociocultural adjustment have significant negative effects on culture shock. The data were collected from 323 international students in Turkey, and the sample comprised 197 undergraduates (61%) and 126 graduates (39%). We administered the “Cultur...

The study analysed the change in the proportion of business management undergraduate programme graduates in Turkey who received honours (>2.99) over the past two decades. It also investigated the factors that contribute to grade inflation and the distribution of course grades. The research employed various statistical methods, including the random...

Focusing on the variables that can affect both academic achievement and the well‐being of students has been crucial for their development, making schools effective and designing educational policy as well as curriculum. The study has aimed to investigate the effect of peer bullying on academic achievement and to determine moderators in the relation...

One non-pharmacological method that can be used to safely and without negative side effects is aromatherapy. This meta-analysis study was carried out to assess the effectiveness of aromatherapy in the treatment of labor pain. The analysis included 14 randomized controlled trials of aromatherapy interventions for labor pain. In the studies, it was o...

The role of universities as the engines of knowledge-based economies drives global internationalisation of higher education. This contributes to a competitive environment where higher education rankings indicate market value. Even though rankings are influential and are used a lot, ranking systems have been heavily critiqued. One of the problems is...

In the past decades, the awareness about the concept of research productivity at higher education institutions has improved which led to an increase in the number of studies dealing with the subject. Such studies mostly deal with correlations between research productivity and organizational elements, gender, age, professional experience, and alma m...

Despite the rapid increase in the number of scientists all over the world in recent years, very few scientists can achieve to be part of elite scientist’s category. Although there are many studies focusing on elite scientists, these studies generally do not focus on their childhood and parental background. In this study, which attempts to fill this...

In this study, the effects of some student (e.g., gender, bullying, etc.) and school variables (e.g., emphasis on academic achievement, clarity of teaching, etc.) on the TIMSS 2015 sci ence and mathematics achievement of eighth grade students in Türkiye were examined by controlling for the socioeconomic status of the students at the student and sch...

The aim of this study was to analyze the factors that has affected the use and approval of distance education systems during the COVID-19 pandemic in Turkey according to the extended Unified Theory of Acceptance and Use of Technology (UTAUT2). The study provided valuable insights on factors affecting the acceptance and use of distance education sys...

The research was carried out in order to reveal the perceptions of school administrators working in educational institutions affiliated to the Ministry of National Education regarding the COVID-19 pandemic process, the problems they experienced, the opportunities they had, the novelties they implemented and the characteristics that administrators s...

Research in academic university rankings mainly focuses on the methodological improvements in ranking or concern the practice, not the principle. There is a tendency in the core literature of rankings that they are ontologically accepted as reality-reflecting phenomena. However , this research tries a political analysis of ranking systems as hegemo...

Purpose The aim of this study is to analyze whether or not the interaction between academicians' cultural and social capitals has effects on their individual work performance. Design/methodology/approach A structural model was developed in the study to test the correlations between cultural capital, social capital and individual work performance....

Aim The aim of this study was to determine the effectiveness of educational interventions aimed at agricultural workers’ knowledge, behaviour, and risk perception for reducing the risk of pesticide exposure. Method All studies published in the English language between the years 2000 and 2020 were screened on relevant databases. The study protocol...

This study examined the new parent-report assessment’s reliability and validity, the Eyuboglu Sensory Reactivity Scale (ESRS), in children with ASD. The ESRS was designed to assess the frequency of sensory behaviors in children with ASD. A total of 167 (age 2–18, M = 6.4±4.1 years, 79.6 % male) children and their families were included. Parents wer...

Bu çalışmanın amacı Türkiye’deki akademisyenlerin ailelerinden edindikleri kültürel sermayelerini araştırmaktır. Tarama deseninde tasarlanan çalışmanın verileri 14,215 akademisyenden elde edilmiştir. Sonuçlar, akademisyenlerin yarıdan fazlasının annesinin, üçte birinin ise babasının ilkokul veya altı eğitim seviyesinde olduğunu, üçte birinin dört v...

We investigated the correlation between leadership types and performance in different national cultural contexts and across sectors through a meta-analysis of 79 studies published between 1995 and 2020 using a random effects model. Although the analysis indicated that the type of leadership has only a medium-level effect on performance, our moderat...

Bu çalışmanın amacı yükseköğretimde öğrenci bağlılığını ölçmeye yönelik geliştirilen Yükseköğretim Öğrenci Bağlılığı Ölçeği'nin (YÖBÖ) Türk dili ve kültürüne uyarlamasını gerçekleştirmek ve ölçeğin geçerlik ile güvenirliğini test etmektir. Araştırma 450 öğretmen adayı üzerinde yürütülmüştür. Ölçeğin uyarlanma sürecinde sırasıyla çeviri geçerliği, d...

Background The objective of this study is to reveal on the basis of the item response theory (IRT) the validity and reliability evidence for the data obtained from the scale prepared to determine the satisfaction with distance education in students studying in medical schools. Methods This is a quantitative study exploring IRT and measurement inva...

The aim of this study was to find out the effects of telehealth interventions on blood pressure control by conducting a meta-analysis. Six databases were used. The literature review covered the period between December 1, 2020, and January 26, 2021. The meta-analysis was conducted by comprehensive Meta-Analysis Software version 2.2. Categorical vari...

Expectations from higher education institutions and systems are constantly increasing at both national and global levels. In addition to the variety of services provided by higher education institutions, the rise in expectations makes management of these institutions more difficult. However, while formations such as mission differentiation, themati...

The aim of this study was to investigate the effects of the strategy of coping with mathematics on math anxiety and achievement. From the population of teacher candidates in Turkey, a total of 255 students from one state university were recruited through a combination of convenience and purposive sampling and willingness to participate in the prese...

COVID-19 pandemic triggered distance education in higher education. Decisions such as isolation, social distancing and quarantine made by countries unexpectedly and suddenly forced face-to-face education to change to distance education within days. All academics around the world had to move online overnight. All the educational and academic activit...

Bu çalışmanın amacı yükseköğretim kurumlarındaki örgütsel güç kaynaklarının akademisyenlerin akademik dışlanmışlık algılarını yordama düzeyinin incelenmesidir. Korelasyonel desen kullanılarak tasarlanan çalışmada 725 akademisyenden veri elde edilmiştir. Katılımcılar çevrimiçi örnekleme yöntemiyle belirlendi. Çalışmada veriler, İşyerinde Dışlanma Öl...

Background Grade inflation which is known as the awarding of higher grades than students deserve in higher education has been observed since the 1960s. There is comprehensive evidence that document the allegations, prevalence, and severity of grade inflation in higher education in universities around the world for the past 10 years. Methods This s...

Mobile phone addiction is a robust phenomenon observed throughout the world. The social aspect of mobile phone use is crucial; therefore, phubbing is a part of the mobile phone addiction phenomenon. Phubbing is defined as ignoring an interlocutor by glancing at one's mobile phone during a face‐to‐face conversation. The main aim of this study was to...

Purpose of this study is to investigate the effect school principals’ transformational leadership behaviors on teachers’ organizational commitment using meta-analysis. In the literature review, 19 studies were found and 11 of them were included in this meta-analysis, which represent overall Turkey. With this study, 11 studies, independent from each...

Bu çalışmanın temel amacı; COVID-19 pandemisi sürecinde üniversitelerin uzaktan eğitim kapasitelerinin belirlenmesi ve değerlendirilmesidir. Bu amaç doğrultusunda çalışmada öğrenci büyüklüklerine göre 20’si devlet üniversitesi 10’u vakıf üniversitesi olarak toplamda 30 üniversitenin uzaktan eğitim kapasiteleri, insan kaynakları, yazılım ve donanım...

Çin’de ortaya çıkan COVID-19 pandemisi bütün dünyayı geniş çapta etkiledi ve etkilemeye de devam etmektedir. Pandeminin getirileri eğitim kurumlarına da derinden yansıdı. Türkiye’de ilk, orta okul ve lise düzeyinde okullarla birlikte üniversitelerde de öğretim uzaktan ve alternatif eğitim yöntemleri ile yürütülmeye çalışılmaktadır. Bu bağlamda bu ç...

Turkish universities are not among the top 500 universities in most of the world university ranking systems and have had difficulties in maintaining their current place for the last five years. The most important reason for this decline is that they cannot produce high-quality research outcome. In the literature of higher education studies, there a...

Turkish universities are not among the top 500 universities in most of the world university ranking systems and have had difficulties in maintaining their current place for the last five years. The most important reason for this decline is that they cannot produce high-quality research outcome. In the literature of higher education studies, there a...

The increasing competitive environment arising from the commercialization and internationalization of higher education (HE) and the increasing influence of the liberal character of educational policies have led to the emergence of HE ranking systems which have become an inevitable part of HE with the effect they have created. The lack of unambiguou...

Academic freedom is of central importance in all kinds of activities of academics and students. Considering this, many reforms were made to secure and improve academic freedom in Turkey. The most important reforms and changes were made in 1933, 1946, 1960, 1973 and 1981, and they all coincided with significant social and political periods. But, the...

The aim of this study is to reveal undesired behaviors of secondary school teachers and their effects on students from the students' point of view. The participants were ninety-six students. The study was designed as a case study, and the data which was obtained though focus group interviews analyzed with content analysis method. According to findi...

Sofalizing is a term that emerged from the combination of the words 'sofa' and 'socializing', and can be defined as interacting with others online from home rather than going out and actually meeting individuals. In the present study, the relationships between psychosocial factors (including social anxiety and social connectedness) and sofalizing w...

The purpose of this study is to investigate the Research Methods course which is taught at the postgraduate level in the field of social sciences according to the views of the faculty members. The case study, which is one of the qualitative research designs, was used in this study. The sample of the study consisted of 7 faculty members teaching at...

Increasingly complex working environments of school principals inevitably led them to face moral dilemmas in daily life. The aim of this research is to reveal which kinds of moral dilemmas principals fall into mostly, how principals follow the road to making decisions in the moral dilemmas, and if the nature of management affects the decision-makin...

Background The new coronavirus (COVID‐19) infection reported by China in December 2019 has become a pandemic affecting the entire world in a few weeks. In this respect, it is crucial to determine case increase and case fatality and case recovery rates in order to control COVID‐19. In this study, case increase, case fatality and case recovery rates...

In this study, it was aimed to investigate the beliefs of mathematics teachers about mathematics instruction and their teaching self-efficacy within the scope of flow theory. Participants consists of a total of 228 mathematics teachers engaged in teaching at secondary and high school levels in Turkey; they were determined using the combinations of...

TIMSS National Report for 2007

İsteyerek veya istemeyerek çeşitli sebeplerle bir yerden başka bir yere geçici veya kalıcı olarak yer değiştirme olarak tanımlanan göç geçmişten günümüze var olan bir olgudur. Türkiye sınır komşularında yaşanan çeşitli olaylardan kaynaklı olarak son yıllarda göç olgusu ile karşı karşıya kalmıştır. Bu araştırmanın amacı okul yöneticilerinin Gaziante...

Hypothesizing that teacher characteristics may have an impact on learning outcomes, the current study tested this assumption, presenting statistical evidence of the findings. In this meta-analysis study, teacher characteristics were determined in the light of the existing literature, followed by an analysis of the relationships between teacher char...

Article Info The present study intends to determine the ways followed and misconceptions held in the studies of phenomenological research design by analysing the theses in the field of educational administration. By using the database of the Turkish Council of Higher Education Thesis Center, forty master's and ten doctoral 140 theses conducted betw...

The purpose of this study was to test the effects of school bullying on school mindfulness and school academic performance through a structural equation model. The study was framed around the correlational design method; school bullying was taken as the independent variable and school mindfulness and school academic performance were used as the dep...

Aim: There is no scale of social attitude towards childhood epilepsies. In this study, it is aimed to develop a valid and reliable scale based on the attitude of the society towards childhood epilepsy. Material and Methods: This study was carried out on 314 participants in a province of Central Anatolia, ranging from 18 to 68 years, 150 male and 1...

The aim of this study is to analyses students' technology addiction and the role of the school in preventing technology addiction based on teacher views. The study was designed in accordance with the phenomenological design which is one of the qualitative research designs. Maximum diversity sampling method was employed in the study. The participant...

Background: Nowadays, a comprehensive approach is needed to describe the current status of the technology integration process and the identification of the factors that affect it, because the description and frame of the existing situation will be the starting point in the organization of the roadmap to the realization of an effective integration...

The aim of this research is to compare the approaches within the context of the PhD students’ dissertation process. Moreover, in this research it is aimed to identify how PhD students evaluate their own dissertation process. In addition, this research analyses the differences between the students’ study attitudes “in the PhD dissertation process in...

In this study, the relationships between high school teachers’ perceptions of spiritual leadership, organizational culture, organizational silences and academic success of the school were tested. The population of the research, which is designed with causal model, consists of a total of 2,791 teachers working in public high schools in a province in...

There are various factors influencing teachers' perceptions of the ideal school concept, but the school they work has a foremost impact shaping cognitive structures of the ideal school quality. However, the research on school and qualities of schools are limited with metaphor analysis. This research addresses this gap by elucidating the similaritie...

The aim of this study was to determine self-efficacy levels of Turkish primary school principals. The study, designed with survey method, was conducted with 198 (33 principals & 165 vice principals) participants selected through stratified sampling. School Administrator Efficacy Scale (SAES, McCollum, Kajs & Minter, 2006a) was employed as an instru...

used for determining the teaching ability beliefs of individuals into Turkish language and culture in addition to testing the validity and reliability of the Turkish version of the scale. Briefly, this research seeks for a scale to question the teaching ability from the perspective of 'nature versus nurture'. The research was carried out using the...