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Subjective Factors Influencing Individual's Response to a New Public Transport Service
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.
KTH, School of Architecture and the Built Environment (ABE), Transport Science, System Analysis and Economics.
(English)Manuscript (preprint) (Other academic)
Abstract [en]

The timing and nature of people’s responses can be expected to vary when a new element enter their environment. For example, when an individual is provided with a new or modified transport service. This time-scale of behavioural responses will affect the patronage of, and short- and long-term demands on the new service over time. Understanding the underlying factors that influence an individual’s response over time to a new or modified transport service would enable us to identify trigger factors that make the new service attractive from an individual’s point of view. Chatterjee (2001) and Douglas (2003) argued that motives other than instrumental factors related to public transport use, such as attitudes, awareness, travel habits and learning processes, can influence individual responses over time to changes in the travel environment. Unfortunately, despite their importance, there have been few studies that examined this argument empirically. To address this research gap, this paper aims to investigate the influences of subjective factors on individuals’ responses to the introduction of a modified public transport (PT) service over time by proposing and testing an alternative model that modifies the theory of planned behaviour (TPB) model framework. This paper also aims to investigate the behavioural change in terms of attitudes and perceptions on individuals’ resources and constraints in using a modified PT service over time after its introduction. The case study involves the new extension of a tram line connecting the suburbs of Alvik and Solna Centrum in Stockholm, Sweden. Four waves of a panel survey were conducted with 96 individuals who lived along the new service, from just before the new service was introduced and until seven months after its introduction. A structural equation modelling technique was used to estimate the relationships between behavioural constructs and panel data, then incorporate them into a discrete choice model. The results show that intention influences individual’s quick-response choice. The panel analysis shows that past behaviour in using the new service influenced current behaviour, and that perceived walking distance in using the service consistently influenced the frequency of using the new service over time.

Keyword [en]
Time-scale responses, subjective factors, hybrid choice model, panel survey, tram, Stockholm
National Category
Transport Systems and Logistics Applied Psychology Social Psychology Social Sciences Interdisciplinary
Research subject
Transport Science; Planning and Decision Analysis
Identifiers
URN: urn:nbn:se:kth:diva-203982OAI: oai:DiVA.org:kth-203982DiVA: diva2:1083589
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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