Browsing by Author "Coşkun, Hamit"
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Ahlâkî uzaklaşma ölçeğinin Türkçeye uyarlanması
Bu çalışmanın amacı Ahlâkî Uzaklaşma Ölçeği'nin (Moral Disengagement Scale) Türkçe uyarlamasını yapmak ve psikometrik özelliklerini incelemektir. Bu amaçla Bandura ve arkadaşları (1996) tarafından geliştirilen ölçek, 285 ... -
Anxiolytic, antioxidant, and neuroprotective effects of goji berry polysaccharides in ovariectomized rats: experimental evidence from behavioral, biochemical, and immunohistochemical analyses
Pehlivan Karakaş, Fatma; Coşkun, Hamit; Soytürk, Hayriye; Bozat, Bihter Gökçe (Tubitak Scientific & Technical Research Council Turkey, 2020)Recent studies have indicated that polysaccharides, the main component of the Lycium barbarum L. fruit, have beneficial effects (e.g., anxiolytic, antioxidant, and neuroprotective) on humans and rodents. However, the effects ... -
Beyin fırtınası sürecinde çağrışım alıştırmalarının düşünce üretimine etkisi
Coşkun, Hamit (2009)Literatürde beyin fırtınası gruplarında üyelerden gelen farklı düşüncelerle bilişsel uyarılmaların ortaya çıktığı savunulmakta ve bu durum çağrışımsal bellek yaklaşımıyla açıklanmaktadır (Paulus, 2000). Bununla birlikte, ... -
Beyin fırtınasında sosyal kimlik değişiminin üretkenlik üzerine etkisi
Coşkun, Hamit (2005)Bu araştırmada, deneklerin (üniversite öğrencisi) ait oldukları sosyal grup hakkında olumsuz ve olumlu düşünmelerini sağlayan yönergelerle değişimlenen sosyal kimliğin, etkileşim ve nominal (tek başına çalışma) ortamlarda ... -
Beyin yazımında ıraksak düşünme ve grup ortamının düşünce üretimine etkisi
Coşkun, Hamit (2005)Bu araştırmanın amacı, düşünce üretim performansı üzerinde ıraksak ve yakınsak düşünme görevlerinin etkisini değerlendirmektir. Denekler, mümkün olduğunca çok sayıda verilen sözcük çiftlerinin benzerlikleri (yakınsak görev) ... -
Close associations and memory in brainwriting groups
Coşkun, Hamit (Wiley, 2011)The present experiment examined whether or not the type of associations (close (e. g. apple-pear) and distant (e. g. apple-fish) word associations) and memory instruction (paying attention to the ideas of others) had effects ... -
Cognitive stimulation with convergent and divergent thinking exercises in brainwriting - Incubation, sequence priming, and group context
Coşkun, Hamit (Sage Publications Inc, 2005)in two studies, the influence of divergent (generating many words on differences for given dual words) and convergent (generating many words on similarities for given dual words) exercises on the subsequent performance was ... -
Creativity
Paulus, Paul B.; Coşkun, Hamit (Taylor and Francis, 2012)For many years there was a strong research interest in creativity as an individual activity (Simonton, 1984, 1999; Sternberg, 2006), emphasiz-ing the impact of such personal factors as developmental experiences and thinking ... -
Do De Bono?s green hat and green-red combination increase creativity in brainstorming on individuals and dyads?
Göçmen, Öznur; Coşkun, Hamit (Elsevier Sci Ltd, 2022)How de Bono's hats affect creativity is an interesting research question. Recent research indicates that the green hat enhances creativity more than the emotional red hat. However, the underlying mechanism of this increase ... -
Effects of common daisy (Bellis perennis L.) aqueous extracts on anxiety-like behaviour and spatial memory performance in Wistar albino rats
Karakaş, Fatma Pehlivan; Karakaş, A.; Coşkun, Hamit; Türker, Arzu Uçar (Academic Journals, 2011)The effects of aqueous extract of flowers from Bellis perennis on anxiety-like behavior and memory in Wistar rats were tested. Vehicle 20 and 60 mg kg(-1) B. perennis groups were performed and the animals were tested by ... -
The effects of leptin administration to amygdala region on anxiety, depression and learning behaviors: change in seretonine and glutamate levels
Orallar, Hayriye; Karakaş, Fatma Pehlivan; Bozat, Bihter Gökçe; Coşkun, Hamit (Wiley-Blackwell, 2016)AIM: Leptin is a hormone secreted by adipose tissue and involved in modulation of food intake. In addition to these functions, it plays a role in various physiological events such as anxiety, depression and learning. The ... -
The effects of lycium barbarum l. polysaccharides on learning behaviors of young ovariectomized female rats
Bozat, Bihter Gökçe; Karakaş, Fatma Pehlivan; Orallar, Hayriye; Coşkun, Hamit (Wiley-Blackwell, 2016)AIM: Lycium barbarum Linnaeus is also known as goji berry, wolfberry or super fruit. The red-orange and sweet fruits of goji berryhave been used in herbal medicine and health food for the thousand years. L. barbarum fruits ... -
The effects of pinealectomy, melatonin injections and implants on the spatial memory performance of male Wistar rats
Karakaş, Alper; Coşkun, Hamit; Kaya, Aliye (Taylor & Francis Ltd, 2011)Melatonin is the main hormone of the pineal gland that informs the body about the environmental light and darkness regimen and is considered to regulate many important physiological and behavioural activities. In the present ... -
The effects of the intraamygdalar melatonin injections on the anxiety like behavior and the spatial memory performance in male Wistar rats
Karakaş, Alper; Coşkun, Hamit; Kaya, Aliye; Küçük, Ayşegül; Gündüz, Bülent (Elsevier, 2011)In the present study, the effects of intraamygdalar administrations of melatonin (1 and 100 mu g/kg), saline and diazepam on the anxiety-like behavior and spatial memory performance in pinealectomized and sham-pinealectomized ... -
The effects of the six thinking hats and speed on creativity in brainstorming
Göçmen, Öznur; Coşkun, Hamit (Elsevier Sci Ltd, 2019)Although De Bono's 'six thinking hats' have been suggested to be beneficial for developing creativity in learners, little is known about how these hats are effective in doing so. This paper reports on two experiments using ... -
The effects of the time of the day and the pinealectomy on anxiety-like behaviour in male Wistar rats
Kaya, Aliye; Karakaş, Alper; Coşkun, Hamit (Taylor & Francis Ltd, 2011)The previous studies on the anxiety-like behaviour in rats by using elevated plus maze and open field have provided rather unequivocal results because they obtained data at different times of the day. These studies have ... -
The effects of the weekend phase delay like shifts on spatial learning performances of the Wistar rats: the sex and generation differences
Coşkun, Hamit; Karakaş, Alper; Kaya, Aliye (Taylor & Francis Ltd, 2012)Many people regularly wake up early in the morning on week days; however, during weekends, they stay awake late into the night and wake up late, thus representing a phase delay in their locomotor activity and sleeping ... -
Elektronik beyin fırtınası gruplarında grup büyüklüğü, bellek yönergesi ve oturum süresinin yaratıcı performansa etkisi .
Coşkun, Hamit (2011)Literatürde elektronik beyin fırtınası gruplarında üretkenlik artışına işaret edilmekte, ancak bu artışın temelinde yatan mekanizmalar aydınlatılmamakta ve araştırmalarda yöntem sorunları (örn., düşüncelerin ve yazma hızının ... -
Etkileşim kaygısı ölçeği: Geçerlik ve güvenirlik çalışması
Coşkun, Hamit (2009)Bu çalışmanın amacı, 15 maddelik Etkileşim Kaygısı Ölçeği’nin (EKÖ) (Leary ve Kowalski, 1993) geçerlik ve güvenirlik çalışmasının ülkemizde yapılmasıdır. EKÖ’nin öncelikle Türkçe’ye çeviri ve geri çeviri çalışmaları ... -
Evaluation of the anthelmintic activity of pumpkin seeds (Cucurbita maxima) in mice naturally infected with Aspiculuris tetraptera
Ayaz, Erol; Gökbulut, Cengiz; Coşkun, Hamit; Türker, Arzu; Özsoy, Şeyda; Ceylan, Kübra (Academic Journals Inc., 2015)The aim of this study was to investigate the anthelmintic effect of pumpkin seeds (Cucurbita maxima) against Aspiculuris tetraptera in naturally infected mice. For this purpose, the natural infection was determined by the ...