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Attrition and Fatigue in a Four Waves of Two-Week Travel Diary: A Case Study in Stockholm, Sweden
KTH, School of Architecture and the Built Environment (ABE), Transport Science, System Analysis and Economics. Universiti Tun Hussein Onn Malaysia, Faculty of Civil and Environmental Engineering, Department of Infrastructure and Geomatic Engineering.ORCID iD: 0000-0001-5961-5008
KTH, School of Architecture and the Built Environment (ABE), Transport Science, System Analysis and Economics.ORCID iD: 0000-0001-7124-7164
KTH, School of Architecture and the Built Environment (ABE), Transport Science, System Analysis and Economics.ORCID iD: 0000-0003-1360-4906
(English)Manuscript (preprint) (Other academic)
Abstract [en]

This paper describes a four-wave panel survey design and implementation collected on individual level, consisting of three survey’s instrument namely, self-reported two-week travel diary, on-line psychological questionnaire, and self-reported mental map-related questions. The panel survey is built with the aim to examine individuals’ behavioural changes when a new tram extension line in western sub-urban areas of Stockholm, Sweden, was introduced in October 2013. The survey duration took approximately seven months’ period and the data collected covers all four different seasons of the year, which make it wealth of information. The analysis of attrition and fatigue was done on the two-week travel diary survey instrument only. It is found that the overall attrition rate is 34.3% of the total participants (102 individuals) in the Wave 1 survey, which is considered large. The attrition rate between consecutive waves, however, is considered low which is within the range of 7% to 10%. Based on the binary logit models, there are no systematic tendencies of the dropouts’ characteristics from wave to wave to be found, indicating attrition is purely random. There is no correlation between immobile days and missing trips per day are to be found between-waves. The results of the binary logit model on missing trip show that personal attributes, temporal factors (e.g. weekdays and waves) and travel characteristics (e.g. home-based trip, trip purpose, travel distance and number of inter-modal transfers) significantly affect the missing trip but no indication of fatigue appears.

Keyword [en]
Panel survey, travel diary, attrition, fatigue, logit model, tram, Stockholm
National Category
Transport Systems and Logistics Social Sciences Interdisciplinary Other Social Sciences not elsewhere specified
Research subject
Transport Science
Identifiers
URN: urn:nbn:se:kth:diva-203980OAI: oai:DiVA.org:kth-203980DiVA: diva2:1083585
Note

QC 20170323

Available from: 2017-03-21 Created: 2017-03-21 Last updated: 2017-03-23Bibliographically approved
In thesis
1. Understanding Individuals' Learning and Decision Processes in a Changing Environment by Using Panel Data
Open this publication in new window or tab >>Understanding Individuals' Learning and Decision Processes in a Changing Environment by Using Panel Data
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

When a new transport service is introduced, people have to learn and familiarize themselves with the new service before they decide to adopt it. These processes are developed over time, thus produce dynamics in individuals’ behavioural responses towards the service. This affects the demand of the new service, thus affect revenues. Available studies have examined the factors influencing these responses from microeconomic perspectives. The influence of the theory-based subjective factors has not been examined empirically. Understanding these would assist transport and urban planners to design a better marketing strategy to increase the market share of the new service. A change in seasons affect individuals’ activity-travel decisions, thus produce dynamics in activitytravel patterns in different seasons. Individuals’ constraints, in a form of mandatory activities (working/studying), are influencing individuals’ decisions to participate in day-to-day nonmandatory activities (leisure and routine activities). The interdependency between travel demand, time allocation and mode choice that considers interactions between mandatory and non-mandatory activities, in different seasons is less explored. Understanding these would assist transport planners and operators to manage travel demand strategies across different seasons of the year and provide better transportation systems for all individuals. This thesis includes five papers. Paper I explores individuals’ characteristics of the quick-response and the adopters of the new public transport (PT) service and examines the temporal effects. Paper II investigates the subjective factors influencing a quick-response to the new PT service by proposing a modified attitude-behaviour framework. Paper III and IV analyse the effects of seasonal variations and individuals’ constraints on their day-to-day activity-travel decisions and patterns. Paper V analyses the attrition and fatigue in the two-week travel diary panel survey instrument.

Place, publisher, year, edition, pages
Stockholm, Sweden: KTH Royal Institute of Technology, 2017. 26 p.
Series
TRITA-TSC-PHD, 17-001
Keyword
Behavioural responses, seasons, panel data, travel diary, activity-travel pattern, theory of planned behaviour, space-time constraint, changing environment, tram, Stockholm
National Category
Transport Systems and Logistics Social Sciences Interdisciplinary Economics Applied Psychology Social Psychology
Research subject
Transport Science
Identifiers
urn:nbn:se:kth:diva-203985 (URN)978-91-87353-97-0 (ISBN)
Public defence
2017-04-18, F3, Lindstedtsvägen 26, KTH, Stockholm, 14:00 (English)
Opponent
Supervisors
Note

QC 20170323

Available from: 2017-03-23 Created: 2017-03-23 Last updated: 2017-03-27Bibliographically approved

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