Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Kaygusuz, Abdullah(35)
- Sipahi, Ferkan(35)
- Karsli, Orhan(34)
- Dokuz, Abdurrahman(30)
- Duran, Celal(30)
- Kandemir, Raif(29)
- Ozdes, Duygu(28)
- Maden, Nafiz(27)
- Uzun, Sevda(27)
- Merdan, Mehmet(26)
- Vural, Alaaddin(26)
- Öztürk, Serkan(25)
- Araz, Onur(24)
- Kulakaç, Nurşen(24)
- Ashyralyyev, Charyyar(23)
- Yildiz, Salih(23)
- Yilmaz, Ozgur(23)
- Doğan, Kadir Caner(21)
- Arslan, Mehmet(20)
- Aydin, Faruk(20)
- Doğru, Bülent(20)
- Bayraktar, Alemdar(19)
- Kankal, Murat(19)
- Ayaydin, Hasan(18)
- Baltaci, Cemalettin(18)
- Yolcu, Halil(18)
- Cakir, Tufan(17)
- Cengiz, Ekrem(17)
- Demir, Selim(17)
- Gücer, Mehmet Ali(17)
- Akaryali, Enver(16)
- Artan, Seyfettin(16)
- Hayaloğlu, Pınar(16)
- Kaya, Afşin Ahmet(16)
- Tosunoğlu, Büşra(16)
- Uysal, Ibrahim(16)
- Kurt, Kemal(15)
- Ozturk, Samet(15)
- Reis, Hatice Catal(15)
- Aksakal, Vecihi(14)
Yayınlar
- MakaleYalnız künye2024Scopus SJRQ2Effect of Atherogenic Index of Plasma on Pre-Percutaneous Coronary Intervention Thrombolysis in Myocardial Infarction Flow in Patients With ST Elevation Myocardial Infarction
Aydinyilmaz, Faruk; Özbeyaz, Nail Burak; Guliyev, Ilkin; Algül, Engin; Sahan, Haluk Furkan; Kalkan, Kamuran
Dyslipidemia is an important risk factor for cardiovascular morbidity and mortality. Although low-density lipoprotein (LDL) is primarily responsible, the importance of triglyceride (TG) and high-density lipoprotein (HDL) has also been recognized. The present study investigated the effect of the atherogenic index of plasma (AIP), in which atherogenic and protective lipoproteins were evaluated together, on the initial flow in patients with ST elevation myocardial infarction. AIP was calculated as log(TG/HDL-cholesterol). Patients included in the study (n = 1535) were divided into Thrombolysis in Myocardial Infarction (TIMI) flow grade 0 and >0. AIP was found to be significantly different between 2 groups (.55 & PLUSMN; .23 vs .67 & PLUSMN; .21; P < .001). AIP was an independent predictor for pre-intervention TIMI flow (Odds Ratio: 2.778). A moderate correlation was found between TIMI frame count measurements, calculated in patients with TIMI 2-3, and AIP (Pearson correlation coefficient: .63, P < .001). In the receiver operating characteristic analysis, AIP showed the highest area under curve (AUC) compared with other lipid parameters for predicting vascular patency. The AUC of AIP was .634, the cut-off value was .59, and the sensitivity and specificity were 67.6% and 68.4%, respectively (P < .001). In conclusion, AIP was found to be an important marker affecting pre-percutaneous coronary intervention TIMI flow.
AtıfWoS10OpenAlex13
İncele - MakaleYalnız künye2024Scopus SJRQ2Psychosocial Dimension of Substance Use Disorder
Ediz, Cicek; Uzun, Sevda; Erdas, Mehmed Burak
This study used a phenomenological research approach to investigate the experiences of individuals in an eastern Turkey city who initiated substance use during childhood. Fourteen participants were selected using criterion sampling and engaged in semistructured, in-depth interviews. The interviews were recorded and transcribed, and a thematic analysis was applied to the data. The study revealed 3 overarching categories (reasons leading to substance use, effects of substance addiction, and coping with addiction) and 9 subthemes (familial factors, environmental factors, traumatic experiences, personal factors, psychological effects, physical effects, social effects, perception of social support, and treatment process). (c) 2023 Elsevier Inc. All rights reserved.
AtıfWoS2OpenAlex2İncele - Derleme MakaleYalnız künye2024Authentic Leadership: A Systematic Review and Research Agenda
Polat, Eray; Arici, Hasan Evrim; Arasli, Huseyin
There has been a growing interest in authentic leadership as a distinctive style of leadership and a dynamic research topic. In this direction, the aim of this study is multifaceted. First, we focus on providing a comprehensive overview of research on authentic leadership (AL), which has attracted substantial research interest in the last few years. Second, we outline the theoretical and nomological network of AL, highlighting antecedents, outcomes, moderators, and mediators. Third, we offer an elaborated future research agenda to enable advances in theory and empirics. We systematically reviewed 182 articles issued in the business management and psychology literature between 2005 and 2021. Interest in AL is growing, and 2020 is the golden year. Developed countries dominate the field. After a rigorous review, we offer a future research agenda with four key themes. The study highlights that AL is critical to the emergence and growth of valuable behaviours, attitudes, and performance at individual, team, and organisational levels. The study provides new research ideas and further conceptualization of AL. We also provide a comprehensive review of why managers should continue to practice AL, where the literature has been, and where it may be headed in the future.
AtıfWoS7TR Dizin1
İncele - EditoryalYalnız künye2024Scopus SJRQ3A rare cause of acute abdominal pain: Perforation of a hepatic hydatid cyst into the peritoneum
Tonkaz, Gokhan; Akdeniz, Cemre; Tonkaz, Mehmet; Tonkaz, Duygu Erkal; Aslan, Serdar
- EditoryalYalnız künye2024Scopus SJRQ2A rare case of intraosseous calcaneal lipoma with calcific and cystic components
Tonkaz, Gokhan; Akdeniz, Cemre; Tonkaz, Mehmet; Tonkaz, Duygu Erkal; Bekci, Tumay
AtıfWoS1OpenAlex1İncele - MakaleYalnız künye2024Scopus SJRQ3Efficacy of fat quantification methods used in MRI to distinguish between normal, benign, and malignant bone marrow pathologies in children
Tonkaz, Duygu Erkal; Ozpar, Rifat; Tonkaz, Mehmet; Yazici, Zeynep
Background Fat quantification methods in magnetic resonance imaging (MRI) have been studied to differentiate bone marrow pathologies in adult patients; however, scarce literature is available in pediatric patients.Purpose To evaluate the efficacy of the T1 signal intensity value (T1-SIV), out-of-phase/in-phase signal ratio (OP/IP SR), and fat fraction (FF) to differentiate between normal, benign, and malignant pathological processes.Material and Methods A total of 48 pediatric patients with lumbar and pelvic MRI were classified into three groups according to bone marrow pathology (group 1, normal; group 2, benign pathology/reconversion; group 3, malignant). The efficacy of T1-SIV, OP/IP SR, and FF values in differentiating these pathologies was evaluated using Kruskal-Wallis or analysis of variance and followed by Bonferroni or Dunn-Bonferroni tests. Cutoff values for malignant infiltration were defined using ROC analysis.Results Although these values were significantly different in all three groups (P = 0.001-0.008), this difference was not sufficient to discriminate between all groups. Subgroup analyses showed significant differences in T1-SIV between groups 1-3, in OP/IP SR between groups 1-3, 2-3, and 1-2, in FF between groups 1-2 and 1-3 in various regions (P = 0.001-0.049). Cutoff values had a sensitivity and specificity of 90%-100% for OP/IP SR and FF.Conclusion T1-SIV, OP/IP SR, and FF may potentially distinguish normal from pathological bone marrow. OP/IP SR and FF values detected malignant infiltration with high sensitivity and specificity in this study. However, only OP/IP SR may significantly differentiate benign and malignant bone marrow pathologies which needs to be confirmed in the future study with a larger patient population.
AtıfWoS3OpenAlex4İncele - EditoryalYalnız künye2024Scopus SJRQ2A rare lesion of the clivus: Neuroenteric cyst
Tonkaz, Gokhankhan; Kaya, Abdulkadir; Tonkaz, Mehmet; Tonkaz, Duygu Erkal
- MakaleYalnız künye2024Scopus SJRQ4A New Marker Evaluating the Risk of Ischemic Bowel in Incarcerated Hernia: Immature Granulocytes
Senlikci, Abdullah; Kosmaz, Koray; Durhan, Abdullah; Suner, Mert Orhan; Bezirci, Rifat; Mercan, Umit; Suleyman, Marlen
To evaluate the predictive value of immature granulocytes in intestinal necrosis in incarcerated hernia. The study included patients who were operated on due to incarcerated hernia. The cases were separated into 2 groups as those with or without bowel resection. Age, gender, hernia type, side, white blood cell count, neutrophil count, neutrophil-lymphocyte ratio, red cell distribution width count, immature granulocyte count, platelet count, and platelet lymphocyte ratio were statistically compared between the groups. There were 27 cases (17.3%) in the group with bowel resection and 127 cases (82.7%) in the group without bowel resection. A statistically significant difference was determined between the groups in respect of the hernia type, white blood cell count, neutrophil count, neutrophil-lymphocyte ratio and immature granulocyte count (p<0.05). The cut-off value of the immature granulocyte count was found to be 0.065, with sensitivity of 63% and specificity of 80%. In multivariate analysis, age over 65 years and immature granulocyte count>0.065 were found to be independent predictors of necrosis development. The immature granulocyte value is a fast, easily accessible and reliable marker that can be used to predict intestinal necrosis in cases of incarcerated hernia.
AtıfWoS5OpenAlex4İncele - MakaleYalnız künye2024Scopus SJRQ4Investigation of Corrosion Properties of LA-91 Alloy Coated with MAO Method
Sukuroglu, Suleyman; Totik, Yasar; Sukuroglu, Ebru Emine; Avci, Selcuk
LA91 magnesium alloy is a super lightweight magnesium -lithium alloy proposed for next generation materials. In addition to the advantages of these alloys such as low density, high strength-to -weight ratio, specific stiffness and brittleness, these alloys also have disadvantages such as low corrosion resistance and the oxide -carbonate film formed on the surfaces of the alloys cannot provide sufficient corrosion protection even in non-corrosive environments. In this study, micro arc oxidation, one of the coating methods, was applied to LA91 alloy. The surface morphologies of the coatings were characterized and it was aimed to increase the corrosion resistance of LA91 alloy. For this purpose, potentiodynamic polarization tests were carried out in 3.5% NaCl solution at room temperature to draw attention to the protection of the coating. As a result of the tests, it was determined that the oxide coatings raised on the surface
AtıfWoS2İncele - MakaleYalnız künye2024Scopus SJRQ4Efficacy of transarterial chemoembolization treatment with 30-60-μm microspheres in patients with hepatocellular carcinoma
Tonkaz, Mehmet; Nas, Omer Fatih; Erkal Tonkaz, Duygu; Inecikli, Mehmet Fatih; Ongen, Gokhan; Ozkaya, Guven
Background: Chemoembolization with small drug-eluting microspheres is widely used in the treatment of hepatocellular carcinoma (HCC). Objectives: This study aimed to evaluate the efficacy and safety of transarterial chemoembolization with doxorubicin-eluting 30-60-mu m microspheres (DEB-TACE) in patients with Barcelona Clinic Liver Cancer (BCLC) stage A and B HCC. Materials and methods: In this single-center study, 88 patients with HCC (BCLC A/B: 15.9%/84.1%) who underwent 137 DEB-TACE sessions between January 2015 and December 2020 were retrospectively assessed. Response to treatment was assessed 4-8 weeks after each DEB-TACE procedure according to mRECIST (Modified Response Evaluation Criteria in Solid Tumors) criteria. Progression-free survival (PFS), time to progression (TTP), overall survival (OS), and adverse events were recorded. Results: In 88 patients (84.1% males; median age, 66.0 years; range, 22-83), the median follow-up was 17 months (range, 2-64). Eight patients (9.1%) had a complete response, 42 (47.8%) had partial regression, 10 (11.3%) had stable disease, and 28 (31.8%) had progressive disease. There was a statistically significant difference between serum alpha-fetoprotein (AFP) levels before and after DEB-TACE treatment (p < 0.001). The median OS was 17 months (95% confidence interval [CI], 10.3-23.7). Cox regression analyses found that preprocedural serum AFP level (400+ vs. < 400; p = 0.024), Child Pugh classification (B vs. A; p = 0.019), and number of DEB-TACE sessions (1 vs. > 1; p = 0.003) were independent risk factors affecting OS. The median PFS was 8 months (95% CI, 5.8-10.2) and TTP was 6 months (1-14 months). Conclusion: Chemoembolization with 30-60-mu m microspheres is an effective and safe treatment for HCC. The number of DEB-TACE sessions is also one of the factors affecting OS.
- MakaleYalnız künye2024Scopus SJRQ2Gender moderates the relationships between childhood abuse experiences and mental disorders later in life: a cross-sectional study among university students in Turkey
Türkkan, Tuğba; Odacı, Hatice; Bülbül, Kenan
This study aimed to assess the moderating role of gender in the relationship between childhood abuse and mental disorders in the population of a country that has been little studied. This research was designed by the correlational model, one of the quantitative research designs. 272 university students attending a state university in Turkey participated in the research. For sample selection, the convenience sampling method was used. As a result of analyses within the scope of the present study, it was concluded that gender had a moderating effect on the relationship between sexual abuse and somatisation, emotional abuse and negative self and physical neglect and hostility. This finding may help clinicians and researchers in providing optimal health services.
AtıfScopus2WoS2OpenAlex1
İncele - MakaleYalnız künye2024Scopus SJRQ1Petrogenesis of Late Cretaceous A-type plutonic rocks from the Eastern Pontides Orogenic Belt (NE Turkey): constraints from zircon U-Pb geochronology, zircon Lu-Hf and whole-rock Sr-Nd-Pb-Hf isotopes
Yücel, Cem; Aydınçakır, Emre; Kaygusuz, Abdullah; Arslan, Mehmet; Yi, Keewook; Jeong, Youn-Joong; Cicerali, Derya
The Late Cretaceous magmatic history of the Eastern Pontides Orogenic Belt (NE Turkey) was generally characterized by common I-type and lesser A-type plutons in varying size and composition. Of these, A-type plutons from the Şebinkarahisar (Giresun) area yield SHRIMP zircon U-Pb age of 77.36 ± 0.96 Ma. The rocks of these plutons display a wide range of SiO2 contents (53.63 to 70.96 wt.%) and Mg-numbers (6.2–32.19) with A-type affinities characterized by enrichment in K2O and Na2O, Ga, Zr, and strong negative Eu anomalies. They also show arc-type petrochemical features including enrichment of large-ion lithophile elements (e.g. Cs, K, Rb) and light rare earth elements (LaN/LuN = 6.27–15.61), but depletion in high strength field elements (e.g. Nb, Ta, Ti, and P). The (87Sr/86Sr)i ratios and ɛNd(i) values of the studied rocks are in the range of 0.705129 to 0.0705347 and −3.64 to −3.12, respectively, while bulk rock ɛHf(i) values are between 1.86 and 4.36. They are characterized by positive zircon ɛHf(i) (1.74 to 10.88) plotting between the chondrite and depleted mantle evolutionary line values. Our data combined with the previous studies suggest that the magmas, that formed the Late Cretaceous plutons, were generated in an extensional tectonic environment due to slap roll-back and trench ward migration of the subduction zone to the south. The generation of hybrid magmas forming the studied plutons is in response to the melts derived from a metasomatized lithospheric mantle source, a relatively deeper mantle source, and the juvenile crust along with the heat transfer and decompression. Multi-sourced magmas rise through the continental crust and reach the final composition by predominantly fractional crystallization processes.
AtıfScopus10WoS11OpenAlex10İncele - MakaleYalnız künye2024Scopus SJRQ2Disease Burden and Sexual Life Experiences of Individuals with Chronic Obstructive Pulmonary Disease: A Phenomenological Study
Uzun, Sevda; Toker, Sema; Erer, İmren
This study aimed to examine the disease burden encountered by individuals with COPD, with a comprehensive investigation of the effect of the disease on sexual life. In this study, a phenomenological research design, a qualitative research type, was employed. The study involved 36 individuals diagnosed with COPD. The data collection process involved conducting individual, face-to-face interviews. Colaizzi’s phenomenological analysis method was utilized for the data analysis. The analysis of the data yielded two categories (burdens of the disease and sexual life) and six primary themes (physical effects, mental effects, social effects, difficulties during sexual activity, the spouse’s perspective on the problems, and dealing with sexual problems). The outcomes of this study highlighted the significant burden of COPD on patients and its adverse impact on their sexual lives. Given the complex nature of COPD, a thorough and professional assessment of patients’ sexual well-being, coupled with timely identification of sexual dysfunctions and appropriate interventions, is of utmost importance.
AtıfScopus1WoS3OpenAlex1İncele - MakaleYalnız künye2024Scopus SJRQ2Innovative Polygonal Trend Analysis (IPTA) in detecting the seasonal trend behavior of statistically downscaled precipitation for the Eastern Black Sea Basin of Turkey
Nacar, Sinan; Şan, Murat; Kankal, Murat; Okkan, Umut
This study compares projected and past seasonal precipitation trends in the Eastern Black Sea Basin, Turkey. Historical data from twelve stations representing the basin during 1981–2010 was used, while statistically downscaled data from two representative concentration pathway scenarios (RCP4.5 and RCP8.5) outputs of the GFDL-ESM2M general circulation model were utilized for 2021–2050. To determine the seasonal trend behaviors of precipitation variables and transitions between consecutive months, the Innovative Polygon Trend Analysis (IPTA) was implemented. Furthermore, the star concept was employed to illustrate the changing sizes between consecutive periods. Both scenarios showed considerable summer and autumn declines at almost all locations, with low seasonal precipitation variability. These scenarios indicated January to be the important month for trend shift, except for Rize, Pazar, and Hopa stations. The formation of several polygons, polygons intersecting, and polygons not forming on the global regression line show that the hydro-climatic cycle might be chaotic.
AtıfScopus12WoS12OpenAlex16İncele - MakaleYalnız künye2024Scopus SJRQ4Vinegar production from different cherry laurel fruits and investigation of some of their physicochemical properties; [Essigherstellung aus verschiedenen Kirschlorbeerfrüchten und Untersuchung einiger ihrer physikochemischen Eigenschaften]
Baltaci, Cemalettin; Yilmaz, Kubra; Ozturk, Seyda; Karpuz, Omer
In this study, seven types of traditional cherry laurel fruit vinegars (CLFV) belonging to three different species were produced. Vinegars, including those produced during the study and supplied from the market, were analyzed for total acidity, volatile acidity and non-volatile acidity, pH, ash, oxidation number, iodine number, ester, mineral substan-ce, alcohol, total solids, and total sugar-free solids. Analyses and the ranges of the results that were found in vinegar samples were as: Acidity percentage (as acetic acid) 1.68–4.13 %, volatile acidity (as acetic acid) 5.70–18.27 g/L, non-volatile acidity (as tartaric acid) 3.31–36.10 g/L, alcohol percentage 0.01–0.48, pH 2.24–3.57, total sugar 6.54–283.56 g/L, total solids 22.01–486.56 g/L, total sugar-free solids 14.11–217.73 g/L, ash 0.22–3.84 g/L, ester 16.80–61.14, oxidation number 389.60–394.05 and iodine number 35.20–386.88. For the color analysis, the values were found to be between 10.91 and 25.79 for L*, 5.15 and 15.08 for a*, between –4.83 and 8.72 for b*, between 3.54 and 16.83 for E*. Based on their physicochemical properties, the vinegars numbered N4, N5, N6, N8, and N9 are considered suitable for vinegar production compared to the samples numbered N7 and N10. The raw material contents of N7 and N10 vinegars differ from the others and inhibit the development of acidity. Additionally, it has been determined that the physicochemical properties of N4, N5, N6, N8, and N9 vinegar samples are superior to those of apple and grape vinegars. According to the study re-sult, cherry laurel fruits (CLF) are suitable for natural vinegar production under optimum conditions, and further field studies should be carried out to apply these findings at the industrial level.
AtıfScopus5WoS5İncele - MakaleYalnız künye2024Scopus SJRQ1Caprock integrity at Çanakkale-Tuzla hydrothermal system inferred from magnetotelluric modeling using particle swarm optimization
Büyük, Ersin; Karaman, Abdullah
The impermeable caprock within a geothermal system serves the purpose of effectively sealing the reservoir, resulting in an elevation of both pressure and temperature. This sealing mechanism plays a crucial role in the long-term preservation of the system while also contributing to its overall sustainability. Caprock failure subsequent to seismic activity near a geothermal site can lead to the permeation of the caprock structure, resulting in diminished sealing capabilities and a decline in the reservoir temperature. In addition, this process alters the geochemical composition of the water by creating a hydrothermal mixture zone that disrupts the resistivity structure of the caprock, which is typically characterized by low resistivity values due to its substantial clay content and mineral alteration. This study focuses on investigating the integrity of the caprock at the Çanakkale-Tuzla geothermal field in Turkey, where water temperature and conductivity were reported to have decreased after a moderate-magnitude earthquake and subsequent aftershocks. For this purpose, we have performed magnetotelluric (MT) measurements, a method known for its sensitivity to geochemical reactions. These measurements are conducted along two parallel profiles that encompassed a total of 32 stations. The particle swarm optimization (PSO) technique is used to overcome the subtle difficulties associated with conventional inversion methods in modeling the MT data of complex formations. This is the first study that overcomes the difficulties emanating from the caprock failure by modeling MT data using PSO. Our modeling approach produces resistivity images that we interpreted as the signature of the failed caprock following the earthquake at the study site. Our results appear to confirm the documented geochemical changes, or hydrothermal mixture zone around the caprock structure.
AtıfScopus5WoS6OpenAlex2İncele - MakaleYalnız künye2024Scopus SJRQ3Adsorption of Azocarmine G dye on H2SO4-modified acacia sawdust
Duran, Celal; Ozeken, Sengul Tugba; Camoglu, Aslihan Yilmaz; Ozdes, Duygu
Presence of hazardous dyes in water cause considerable risks to the human health and environment due to their potential toxicity and ecological disruptions. Therefore, in the present research, to suggest an alternative method for the retention of toxic Azocarmine G (ACG) dye from aqueous media, natural and H2SO4-modified acacia sawdust were performed for the first time as low-cost and efficient adsorbents. Based on batch experiments, it was determined that the best conditions for the developed dye retention process were an initial pH of 2.0 and an equilibrium time of 240 min. Analysis of the data using both pseudo-first order and pseudo-second order kinetic models showed that the retention of ACG onto the adsorbents predominantly occurred through chemical adsorption. Langmuir, Freundlich, and Dubinin-Radushkevich isotherm models were employed to provide insights into the interaction between the adsorbate and adsorbent and the mechanism of the adsorption process. Maximum monolayer adsorption capacities of natural and H2SO4-modified acacia sawdust were determined as 28.01 and 64.90 mg g-1, respectively by Langmuir isotherm model. Results of the study clearly indicated that the modification of acacia sawdust with H2SO4 leads to a substantial increase in the adsorption performance of anionic dyes.
- MakaleYalnız künye2024Scopus SJRQ1Investigation of dynamic responses of three-sided underpass culvert under near-fault and far-fault ground motions considering soil-structure interaction
Ozturk, Kasif Furkan
Three-sided underpass culverts are structural systems used to provide passing vehicle or pedestrian. It is of great importance that such infrastructure systems remain useable, especially after disasters such as earthquakes that can cause great destruction, in order to ensure that infrastructure services can be maintained continuously. In this context, the aim of this study is to investigate using finite element method (FEM) the dynamic responses of three-sided underpass culvert system under near-fault ground motions with velocity pulse and far-fault ground motions. For this aim, the modal analysis of the soil-underpass culvert interaction system has been realized using proposed soil-structure interaction (SSI) model. The frequencies of the interaction system obtained from the finite element model developed using proposed approaches have been verified comparing with the results obtained from the literature and the site periods. After showing that the modes of the interaction system can be obtained with the help of the proposed numerical model, the full transient dynamic analyses have been performed in the time history using five near-fault and far-fault records, considering four different soil systems. The comparisons shows that the variations of the soil systems and the ground motion type can significantly affect the top peak relative displacements and the dynamic stresses of the three-sided underpass culvert.
AtıfScopus16WoS13OpenAlex15İncele - MakaleYalnız künye2024Scopus SJRQ2An efficient Hartley–Ross type estimators of nonsensitive and sensitive variables using robust regression methods in sample surveys
Zaman, Tolga; Shazad, Usman; Yadav, Vinay Kumar
In sample surveys, the problem of outliers is one of the most frequent and widest, whose solution is required to be obtained using statistical techniques. To overcome this problem, various robust regression methods are being developed such as LTS, LMS, LAD, Huber-M, Hample-M, Tukey-M and Huber-MM methods. This article presents the modified Hartley–Ross type ratio estimators to estimate the population mean in sample surveys. The proposed design is taken into account under the two suppositions one is that the study variable is a non-sensitive variable, which means that measurements on it do not embarrass participants in personal interviews and other is the sensitive variable, which means that measurement errors are introduced as a result of a few dishonest responses. The use of scrambling response models helps to reduce these measurement errors to some extent. The proposed estimator is found to be more efficient than the existing classical estimators. A Numerical illustration was performed on a real data set in R-Program Software to support of our findings.
AtıfScopus15WoS17OpenAlex16İncele - MakaleYalnız künye2024Scopus SJRQ2Understanding the concept of energy through definitions, drawings, and metaphors
Başkan Takaoğlu, Zeynep
Energy is a concept frequently encountered both in daily life and in various disciplines. Despite such a wide range of scope, conceptualizing it might be challenging at times. This study aims to investigate high school students’ views on the concept of energy through a set of various paper-and-pencil tests. For this purpose, 654 high school students from the ninth, 10th, and 11th grades were asked to explain the concept of energy using definitions, drawings, and metaphors. According to the results, the students had similar misconceptions about their definitions, drawings, and metaphors. However, situations from everyday life were depicted, particularly in drawings and metaphors. Misconceptions decreased considerably in the upper classes, and answers were presented that were close to scientific knowledge, suggesting that, over time, students’ abstract thinking skills improve, the knowledge gained at school contributes to explaining the situations in daily life scientifically, and scientific facts are conceptualized.
AtıfScopus4WoS1OpenAlex3İncele