Reliability and Validity Measures of Survey Instruments

Reliability and Validity Measures of Survey Instruments

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Scalograms gain desired value in inquiry if verifiably reliable in the information they obtain and valid in the constructs they transmit during field work. A survey instrument would ideally use two or three scalograms to probe every distinctive concept, dimension, variable or attribute. In this way the survey instrument is enabled to ascertain triangulation of measurement and inquiry while promoting the assurance or reliability and validity of these measurement instruments. The scalograms are qualified to be appropriate for the appointed measurements when they display consistency, one with another in the way they profile the target concepts, dimensions, variables or attributes. When so proven, they attain the value of convention as specific instruments of measuring data for particular phenomena. This is important as research results are only as good as the data they rely on. The design of reliability and validity measures of survey instruments are best illustrated in the real setting of a field setting inquiry. To this extent, inquiry and model scalograms that seek to map out the profiles of social cohesion as a principal pillar of social sustainable growth in the city of Nairobi is used as a test case. Accordingly survey instruments with peculiar relevance to the dimensions and attributes of social cohesion and ones that essentially triangulate the issues under inquiry are the ones put to the test here. A quick preview of social cohesion, its inherent aspects and their interactions as well as desirable measures is therefore ventured into here.
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Product details

  • Paperback | 214 pages
  • 152.4 x 228.6 x 12.95mm | 385.55g
  • Createspace
  • United States
  • English
  • colour illustrations
  • 1508777616
  • 9781508777618

About Prof Paul Mwangi Maringa

Paul Mwangi Maringa (PhD) is an Associate Professor of Architecture and Planning. He has taught variously in diploma, degree, and graduate theory and portfolio courses in the department architecture at the Jomo Kenyatta University of Agriculture and Technology (JKUAT) in Juja, Kenya for 14 years; and also in the department of civil and environmental engineering at the Kigali Institute of Science and Technology (KIST), Kigali, Rwanda, for 2 years. His academic and professional career has seen him take up positions as head of department, Ag., Vice Rector and Ag., Rector; as well as Editor-in-Chief, Associate Editor and referee for two, one and three peer reviewed academic journals respectively. He has also served variously as an Architect/Planner with the Nairobi Provincial office of the Ministry of Works, Githunguri & Collins International, and Ramani Consultants. He has considerable diverse consulting experience in TVET working variously as a technical expert & master trainer in building construction, an infrastructural planning & development expert, an associate project team leader, and senior expert for planning & project management. He is a registered architect with the Board of registration of Architects and Quantity Surveyors of Kenya (BORAQS); a corporate member of the Architectural Association of Kenya (AAK-Architects Chapter), a graduate member of the Architectural Association of Kenya (AAK-Town Planning Chapter), and a graduate member of the Kenya Institute of Planners (KIP). His professional and academic career, teaching in Universities that spans the last 29 years has covered Kenya, Uganda, The Kingdom of Swaziland, Tanzania and Rwanda. He pursues the growth of knowledge in the disciplines of architectural design and its behavioural underpinnings, urban growth management, sustainability as well as in TVET management reform.
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