Validity and Reliability in Built Environment Research

Vian Ahmed has over 25 years of industrial and academic experience in the United Kingdom and overseas. During her employment at the University of Salford (2004–2018), she took on a number of management positions, and became Professor in the Built Environment in 2010. She was the Director of the Online Doctoral Programme at the School of the Built Environment (2004–2016) and the Director of Postgraduate Research (2007–2016). Her previous books include: Research Methodology in the Built Environment (2016), and Leadership and Sustainability in the Built Environment (2015).Alex Opoku is an Associate Professor in Quantity Surveying & Construction Management at the College of Engineering, University of Sharjah, UAE. He is a Fellow of the UK Higher Education Academy (FHEA), Chartered Quantity Surveyor (MRICS) and Chartered Construction Manager (MCIOB) with many years of teaching and learning experience in the UK Higher Education sector and the UK construction industry.Ayokunle Olubunmi Olanipekun is a Postdoctoral Research Fellow in Construction Management in the School of Built Environment at Massey University, New Zealand. He has professional academic experience in higher education institutions in Nigeria, Australia and New Zealand since 2011. He is Fellow of the UK Higher Education Academy and a Professional Member of the Nigerian Institute of Quantity Surveyors (NIQS).Monty Sutrisna is Professor of Construction and Project Management and the Head of School – School of Built Environment at Massey University, New Zealand. With professional experience in both industry and academia in the United Kingdom, Australia, New Zealand and Indonesia for about 20 years, he has been championing close collaboration between industry and academia to achieve synergy. He is a Fellow of the UK Higher Education Academy, a Fellow of the Australian Institute of Building, a fellow of the Royal Institution of Chartered Surveyors and also a member of the Institution of Civil Engineers, Chartered Institute of Building and Chartered Institution of Civil Engineering Surveyors.

• PART ONE: RESEARCH RELIABILITY AND VALIDITY 1. Understanding Reliability in Research 2. Understanding Validity in Research PART TWO: RELIABILITY TEST: RESEARCH CASE STUDY EXAMPLES 3. An Investigation into contributing factors of excess inventory within the cosmetic industry in the UAE: An AHP analysis as form of Inter-Rater Reliability 4. An Investigation into underpinning criteria of ‘Subjective Happiness’ in an Academic Environment - A Parallel Form of Reliability Test PART THREE: VALIDITY TEST: RESEARCH CASE STUDY EXAMPLES 5. Enhancing Reliability and Validity in a study exploring the indicators of a sustainability assessment framework for neighbourhood development in Nigeria 6. A Predictive Validity Analysis of Water Demand Forecasting Model in the UAE 7. Exploring and Confirming Project Owners’ Motivations for Green Building Project Delivery using Construct Validity Test 8. Investigation into Underpinning Criteria of Depression in Women by adopting Factor Analysis as Construct Validity Test PART FOUR: OTHER RESEARCH RELIABILITY AND VALIDITY APPROACHES 9. A Case Study of Singapore’s Hawker Centres as an Inclusive Mechanism: Internal and External validity of Qualitative Data 10. The Delphi technique as a tool for quality research in the Built Environment

"This provides a welcome addition to the literature on research methods in the built environment and should be useful for students at all levels." - Dr. Mark Addis, London School of Economics and Political Science