AN INTEGRATED MENTAL WORKLOAD ASSESSMENT APPROACH BASED ON NASA-TLX AND SMAA-2: A CASE STUDY

Year 2018, Volume: 26 Issue: 2, 88 - 99, 31.05.2018

Elif Kılıç Delice Gülin Feryal Can

https://doi.org/10.31796/ogummf.384328

Cited By: 3

Abstract

Zihinsel iş yükü (ZİY), özellikle
karmaşık sistemlerdeki çalışan performansını etkileyen önemli bir ergonomik
faktör olarak uzun zamandan beri dikkate alınmaktadır. ZİY araştırmaları
genellikle, altı farklı ZİY kriterinin ağırlıklı toplamını içeren ve klasik bir
ZİY değerlendirme yaklaşımı olan Ulusal Havacılık ve Uzay Dairesi İş Yükü
İndeksi (NASA-TLX) yönteminin farklı uygulamalarına odaklanmıştır. Ancak karar
verici (KV) olarak çalışanlar tercihlerini, ZİY boyutlarına ait ağırlıkların ve
puanların belirlenmesi için uygulanan skaladaki kesin değerleri kullanarak
belirtemeyebilir veya belirtmek istemeyebilirler. Bu tür belirsizlik içeren
bilgiler, etkin bir karar destek aracı olan Stokastik Çok Kriterli Kabul
Edilebilirlik Analizi-2 (SMAA-2) kullanılarak stokastik bir şekilde
modellenebilir. Bu kapsamda çalışmada, ZİY’nü analiz edebilmek için NASA TLX ve
SMAA-2 temelinde entegre bir yaklaşım önerilmektedir. Önerilen yaklaşıma
ilişkin gerçek hayat uygulaması ise kutu harf imalat prosesinde
gerçekleştirilmiştir.

Keywords

Zihinsel iş yükü, NASA- TLX, SMAA-2

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