A QUANTITATIVE MODEL PROPOSAL FOR THE ASSESMENT OF PROJECT PERFORMANCE: THE BRIDGE MODEL

Öz

Project performance models should serve as managerial measurement tools that evaluate the various aspects of projects with a holistic approach. However, predate models in the literature generally focus on limited performance indicators of projects - such as budget and time - for performance assessment and they lack broad perspective. In this respect, we aimed to introduce and propose a new model for the quantitative, effective and holistic evaluation of projects. The proposed model is originally developed as a conceptual approach by Livvarcin (2013) and entitled as The Bridge Model. In this study we enlarged the study and embodied the project performance parameters. In this study, we examine project performance by focusing on two different parameter groups: Process parameters and indicator parameters. Process parameters include seven elements of The Bridge Model, these are preparation phase, initiation phase, implementation phase, closing phase, post-project phase, project atmosphere and project actors. Indicator parameters are measures that are similar to the project parameters used in existing project performance models and they include cost, time, quality, performance of outcomes, motivation, development and competitiveness. We also performed a pilot study to figure out the performance of 42 different projects by using the performance parameters of the proposed model. We proved the validity and reliability of our model by using both quantitaive and qualitative methodologies

Anahtar Kelimeler

• Project management, Project performance model, The Bridge model, Process parameters, Indicator parameters

PROJE PERFORMANSI DEĞERLENDİRME MODEL ÖNERİSİ: KÖPRÜ MODELİ

Öz

Proje performans modelleri, bütüncül bir yaklaşım ile projelerin değişik yönlerini değerlendiren yönetimsel ölçüm araçlarıdır. Yapılan çalışmalar neticesinde, literatürde yer alan proje performans modelleri ve performans ölçüm kriterleri incelenmiş ve bu doğrultuda literatürde proje performansı ölçümü ile ilgili hususlarda eksiklik olduğu ve sadece bütçe, zaman gibi parametrelere odaklandığı görülmüştür. Görülen bu eksiklikler üzerine, icra edilen projelere uygun etkin, bütüncül ve niceliksel proje performans modeli ve performans ölçüm kriterleri geliştirilmesi amaçlanmıştır. Bu model kavramsal olarak Livvarcin (2013) tarafından ortaya konmuş ve köprü modeli olarak adlandırılmıştır. Bu çalışma ile önceki proje performans değerlendirme çalışmaları genişletilmiş ve proje performans parametreleri dahil edilmiştir. Bu çalışmada, bir projenin performansı, yapısal ve parametrik ölçütler olmak üzere iki yönden incelenmektedir. Yapısal ölçütler projenin safhalarının değerlendirilmesine imkan sağlamaktadır. Performans ölçüm kriterlerinden yapısal performans ölçütleri köprü metaforu kullanılarak betimlenmektedir. Yapısal ölçütler, aynı zamanda köprü modelinin unsurları da olan hazırlık, başlangıç, gerçekleştirme, bitiş, idame süreci, atmosfer ve aktörler şeklindedir. Projenin parametrelerinin ölçülmesine imkan veren parametrik ölçütler ise literatürde var olan ve projenin performans parametreleri olan performans ölçütlerini oluşturmaktadır. Parametrik ölçütler, maliyet, zaman, kalite, çıktıları performansı, motivasyon, gelişim ve rekabet gücü olmak üzere 7 parametreden oluşmaktadır. Bu çalışmada, önerilen modelin performans ölçütleri kullanılarak 42 değişik projenin performansı değerlendirilmiştir. Modelimizin güvenilirlik ve geçerliliğini ölçmek için niceliksel ve niteliksel olmak üzere her iki yöntemde kullanılmıştır.

Anahtar Kelimeler

• Proje Yönetimi, Proje Performans Modeli,Yapısal ölçütler,Parametrik Ölçütler,Köprü Modeli

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