A systematic review of the reliability of objective structured clinical examination scores
Korkmaz, Habibe Tuğba Erol
CONTEXT The objective structured clinical examination (OSCE) is comprised of a series of simulations used to assess the skill of medical practitioners in the diagnosis and treatment of patients. It is often used in high-stakes examinations and therefore it is important to assess its reliability and validity. METHODS The published literature was searched (PsycINFO, PubMed) for OSCE reliability estimates (coefficient alpha and generalisability coefficients) computed either across stations or across items within stations. Coders independently recorded information about each study. A meta-analysis of the available literature was computed and sources of systematic variance in estimates were examined. RESULTS A total of 188 alpha values from 39 studies were coded. The overall (summary) alpha acr...
How Prevalent Are the Different Types of Organizational Justice Research?
Korkmaz, Habibe Tuğba Erol
In his article, Greenberg (2009) classified justice research into four types. Basic research uncovers the nature and structure of justice; implication research examines relationships of justice with organizationrelevant phenomena; intervention research assesses the efficacy of initiatives designed to cultivate justice; and case study research describes anecdotal applications of justice initiatives. As he noted, the justice literature is predominantly comprised of basic and implication research, while little work has put into practice of the knowledge that has been gained from this research. As a result, very few examples of intervention and case study research exist. The goal of this commentary is to add numbers to Greenberg’s taxonomy of the justice literature in order to determine the cu...
Yemler Bilgisi Yem Teknolojisi ve Balık Besleme
Bilgüven, Murat
Her havuz alanında ya da yetiştirme biriminden elde edilen balık ve dolayısıyla balık yetiştiriciliğinin kârlılığı, büyük ölçüde kullanılan yemin miktarına bağlıdır. Su ürünleri sistemi ne kadar yoğun olursa yemlemenin önemi o kadar fazla olur ve toplam üretim maliyetinde yem maliyetinin payı da o kadar artar. Bilindiği üzere alabalık başta olmak üzere bazı balıkların yetiştiriciliği için akarsu sistemli tesisler kullanılmakta yada sıcaklığın, su bileşiminin ve akıntının dolayısıyla oksijen yoğunluğunun daha iyi olduğu tatlı su ve kıyılarda ise yüzer ağ kafeslerde yetiştiricilik yapılmaktadır. Su ürünleri yetiştiriciliğinin ileri durumda olduğu ülkelerde entansif yetiştiricilik uygulanmakta ve yetiştirme alanlarında birim hacimde maksimum ürün yetiştirilmeye çalışılmaktadır. Bu tür yetişti...
Personality Attributes as Predictors of Psychological Well-Being for NCOs
Korkmaz, Habibe Tuğba Erol
The authors examined the nature of the relationships between job-specific personality dimensions and psychological well-being for noncommissioned officers (NCOs) in the Turkish Armed Forces (TAF). A job-specific personality inventory, comprising measures of 11 personality dimensions was developed for selection purposes. The inventory was administered to a representative sample of 1,428 NCOs along with a general mental health inventory developed by the authors, which consisted of 6 dimensions of psychological well-being. Exploratory and confirmatory factor analyses suggested existence of a single factor underlying the 6 psychological well-being dimensions, Mental Health, and 2 latent factors underlying the 11 personality dimensions, Military Demeanor and Military Efficacy. The 2 personality...
Significant work events and counterproductive work behavior: The role of fairness, emotions, and emotion regulation
Korkmaz, Habibe Tuğba Erol
In this diary study, we investigated multi-level predictors of daily counterproductive work behavior (CWB) relying on the theoretical frameworks of affective events theory and the emotion-centered model of CWB. We assessed significant work events, event-based fairness perceptions, negative emotional reactions to work events, and employee CWB over a 10-day period. We tested within-person relations predicting CWB, and cross-level moderating effects of two emotion regulation strategies (suppression and reappraisal). Results from a multi-level path analysis revealed that significant work events had both direct and indirect effects on negative emotional reactions. Further, negative emotional reactions in turn mediated the relationships between significant work events and all forms of daily CWB ...
Role of antioxidant defense system and biochemical adaptation on stress tolerance of high mountain and steppe plants
Keleş, Yüksel
Eleven species were collected from Northwest Anatolian mountains (1500–2000 m) and 18 species were collected from the Central Anatolian steppes (850–1000 m) in June 1998 and 1999. In all the species investigated, the water and dry matter percentages and solute contents were measured. The chlorophyll, b-carotene, ascorbate and a-tocopherol contents and catalase (CAT), superoxide dismutase (SOD) andglutathione reductase (GR)enzymeactivities oftheplants werealsodetermined.Thesteppeplantshadlowerwatercontentcomparedwith alpine plants. The chlorophyll contents of the plants investigated did not change with altitude. However, the carotenoid/chlorophyll ratio of alpine plants was found to be significantly higher. The antioxidant/chlorophyll ratio of the trees and shrubs was higher than that of he...
University students’ cognitive flexibility and critical thinking dispositions
Karakuş, İsmail
The purpose of this study is to examine whether there are differences in critical thinking dispositions and cognitive flexibility among university students based on gender, grade level, and faculty. Additionally, the study will investigate the relationship between these two concepts and their predictive power. The study was conducted using a relational survey model and included 366 university students selected through maximum diversity sampling. The study involved university students from various faculties and grade levels. Data was collected through a personal information form, cognitive flexibility inventory, and critical thinking disposition scale. The data was analyzed using the SPSS 25 program. The results indicate that university students exhibit relatively high levels of cognitive f...
Kamu Kuruluşlarında Yeniden Yapılanma: Bir Norm Kadro Çalışması
Korkmaz, Habibe Tuğba Erol
Recently, a call has been made to develop a more systematic approach to human resources management in the public sector. A low-equivalent decision of the Cabinet required all government organizations to do organizational and job analyses and to conduct position norm analyses. To comply with this decision, in many public sector organizations studies that necessitated active participation of industrial and organizational psychologists have been started. The purpose of this study is to describe a position norm analysis study conducted in a public sector organization, which provides technical supervision and guidance to local governments in the establishment of their infrastructure. The techniques used, problems encountered, and solutions developed are discussed along with some critical sugges...