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The purpose of this study was to develop a scale to identify the weight loss methodology preferred by athletes and to determine the effect of the chosen weight loss methodology on themselves. On this purpose, a sample group, composed of athletes from wrestling, boxing, judo, taekwon do, karate and kick-box have been formed. Totally 466 (86 female, 380 male) athletes who especially loose weight previously their matches comprised the sample group of the study.In the analysis part of the study, exploratory and confirmatory factor analysis was conducted to initial version of the scale which had an item pool of 32 item. According to the criteria's 21 item loaded on 5 factor which had eigen value over 1 remained. Factors were named as “Physical Effects” (items; 10, 12, 13, 14, 11), “Psychological Effects” (items; 19, 17, 18, 15, 16), “Ergogenical Support” (items; 8, 9, 7),  "Diet" (items; 2, 3, 1) and "Dehydration" (items; 6, 5, 4). In the evaluation of items 5 point Likert type scale was used. The Cronbach's alpha values of the factors ranged between .56 and .86. Total scale's Cronbach's alpha value was .74. The correlation tests between factors revealed significant positive correlation, (p<0.01).As a result, "Athlete Weight Loss Methodologies and Effects Scale" comprised of 19 items grouped under 5 factors revealed a valid and reliable construct, which can be used as an instrument in scientific research studies aimed to determine the preferred weight loss procedures athletes use and the effect of the conducted weight loss methodology on their performance. OzetBu calisma; musabakalar oncesi kilo dusen sporcularin tercih ettikleri kilo dusme yontemlerini ve bu yontemlerden etkilenme duzeylerini belirleyecek bir olcum araci gelistirmek amaci ile yapilmistir. Bu amac dogrultusunda orneklem grubu, Gures, Boks, Halter, Judo, Taekwondo, Karate ve Kickboks sporu yapan, ozellikle musabakalar oncesi kilo dusen 86’si kadin ve 380’i erkek olmak uzere toplam 466 sporculardan olusmustur.Calismada 32 maddelik soru havuzu olusturulan olcege, Aciklayici ve Dogrulayici Faktor Analizi yapilmis ve 19 maddenin, oz degeri 1’den buyuk 5 faktor altinda toplandigi saptanmistir. Bu faktorler, “Fizyolojik Etkiler” (10,12,13,14,11), “Psikolojik Etkiler” (19,17,18,15,16), “Ergojenik Yardim” (8,9,7),  Diyet (2,3,1) ve Sivi Kaybi (6,5,4) alt boyutlari olarak adlandirilmistir. Olcek maddelerinin degerlendirilmesinde bes noktali derecelendirme tipi (1= hicbir zaman - 5 = her zaman) degerlendirme olceginden faydalanilmistir. Olcegin alfa guvenirlik kat sayilari incelendiginde; Fiziksel Etkiler α=0.80, Psikolojik Etkiler α=0.69,  Ergojenik Yardim α=0.86, Diyet α=0.81 ve Sivi Kaybi  α=0.56 olarak tespit edilmistir. Toplam olcegin alfa degeri ise α=0.74 bulunmustur. Sonuc olarak yapilan gecerlik ve guvenirlik analizleri sonucunda 5 alt boyut ve 19 maddeden olusan “Sporcu Kilo Dusme Yontemleri ve Etkileri Olcegi” ozellikle kilo dusen sporcularin kilo dusme yontemleri ve bu yontemlerden etkilenme duzeylerinin belirlenmesine yonelik yapilacak olcumlerde gecerli ve guvenilir olarak kabul edilmistir.

journal of human sciences

“Athlete Weight Loss Methodology and Effects Scale”: Validity and reliability study&lt;p&gt;“Sporcu Kilo Düşme Yöntemleri ve Etkileri Ölçeği”: Geçerlik ve güvenirlik çalışması