THE EFFECT OF DRIVER SAFETY PRIORITY ON SLEEPY DRIVING BEHAVIOR: LINEAR AND NON-LINEAR REGRESSION ANALYSIS

Öz

Driver safety priority is among the factors that affect the sleepy driving behavior of truck drivers. The aim of this paper is to determine the effect of truck drivers' driver safety priority on sleepy driving behavior with linear and non-linear models. Two hypotheses have been developed within the scope of the research. The sample area consists of 399 Turkish truck drivers. Surveys were collected face to face and online between January 2022 and April 2022. The sample area has been determined by simple random method. "Driver safety priority" and "Sleepy driving behavior" scales is used, which is tested for reliability and validity. Simple regression analysis has been performed for the linear model. In the selection of non-linear models, curve estimation models have been tested. The “Power” estimation model has been determined as the best model. According to the research findings, driver safety priority has a negative and significant effect on sleepy driving behavior in both linear and non-linear models. In addition, it has been determined that there is no significant difference between the percentages of explanation of linear and non-linear models. It has also been determined that the coefficient of the driver safety priority of the linear model on sleepy driving behavior is higher than the non-linear model. Based on the empirical findings, implications for both managers and drivers have been presented.

Anahtar Kelimeler

• Driver Safety Priority
• Sleepy driving Behavior
• Linear Model
• Non-Linear Model
• Curve Estimation Models

Sürücü Emniyet Önceliğinin Uykulu Sürüş Davranışı Üzerindeki Etkisi: Doğrusal ve Doğrusal Olmayan Regresyon Analizi

Öz

Tır sürücülerinin uykulu sürücü davranışı oluşumuna etki eden faktörler arasında sürücü emniyet önceliği gelmektedir. Bu ampirik araştırmanın amacı Türkiye’de tır sürücülerinin sürücü emniyet önceliğinin uykulu sürücü davranışı üzerindeki etkisinin doğrusal ve doğrusal olmayan modellerle tespit edilmesidir. Araştırma kapsamında iki hipotez geliştirilmiştir. Araştırmanın örneklem alanını 399 adet Türk tır sürücüsü oluşturmaktadır. Anketler yüz yüze ve çevrimiçi olarak Ocak 2022-Nisan 2022 tarihleri arasında toplanmıştır. Örneklem alan basit rastgele yöntemle belirlenmiştir. Araştırmada güvenilirliği ve geçerliliği test edilmiş “sürücü emniyet önceliği” ve “uykulu sürüş davranışı” ölçekleri kullanılmıştır. Doğrusal model için basit regresyon analizi yapılmıştır. Doğrusal olmayan model seçiminde eğri tahmin modelleri test edilmiştir. “Power” eğri tahmin modeli en iyi model olarak tespit edilmiştir. Araştırma bulgularına göre hem doğrusal hem de doğrusal olmayan modellerde sürücü emniyet önceliği uykulu sürücü davranışı üzerinde negatif yönde anlamlı bir etkiye sahiptir. Ayrıca doğrusal ve doğrusal olmayan modellere ait açıklama yüzdeleri arasında dikkate değer bir fark olmadığı tespit edilmiştir. Bunun yanı sıra doğrusal modele ait sürücü emniyet önceliğinin uykulu sürücü davranışı üzerindeki etki katsayısının doğrusal olmayan modele göre yüksek olduğu tespit edilmiştir. Araştırma bulgularına dayalı hem yöneticilere hem de sürücülere yönelik çıkarımlar sunulmuştur.

Anahtar Kelimeler

• Sürücü Emniyet Önceliği
• Uykulu Sürüş Davranışı
• Doğrusal Model
• Doğrusal olmayan Model
• Eğri Tahmin Modelleri

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