Drew Dawson

Drew Dawson
Central Queensland University · Appleton Institute for Behavioural Science

Ph.D

About

324
Publications
120,555
Reads
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14,171
Citations
Citations since 2017
40 Research Items
5057 Citations
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20172018201920202021202220230200400600800
20172018201920202021202220230200400600800
Additional affiliations
January 2012 - present
January 1996 - December 2012
University of South Australia 
January 1996 - December 1998
University of Adelaide
Education
March 1986
Flinders University
Field of study
  • Psychology

Publications

Publications (324)
Article
Full-text available
For many remote Aboriginal Australian students, periods of time during their secondary education are spent living away from home at a boarding school. While financial, political and community support is burgeoning for boarding models that provide scholarships, sports programs or accommodation for Aboriginal and Torres Strait Islander students, very...
Article
The aim of this study was to assess the effect of working multiple, consecutive night shifts on crash risk during the morning commute. Participants (36 F, 36 M, aged 23.1 ± 3.6 y) completed a laboratory-based shiftwork protocol with seven consecutive night shifts (23:00–07:00 h) that each started and ended with a 20 min simulated commute. Compared...
Article
Purpose: The purpose of this paper is to assess whether shift work, sleep loss, and fatigue are related to short-term unplanned absences in policing. Methodology: N=367 police officers from the Buffalo Police Department were studied. Day-by-day work and sick leave data were obtained from the payroll. Absenteeism was defined as taking a single sic...
Article
Introduction: Biomathematical models of fatigue (BMMF) predict fatigue during a work-rest schedule on the basis of sleep-wake histories. In the absence of actual sleep-wake histories, sleep-wake histories are predicted directly from work-rest schedules. The predicted sleep-wake histories are then used to predict fatigue. It remains to be determined...
Conference Paper
Introduction: In the United States, the policies used to schedule police officers’ work hours vary greatly from department to department. Because of the 24/7 nature of policing, departments use shift work to staff officers around-the-clock. Further, many departments are chronically understaffed, and it is not uncommon for officers’ schedules to inc...
Conference Paper
Introduction: Workers’ sleep-wake data are often unavailable and biomathematical models of fatigue (BMMF) often use algorithms to estimate sleep-wake timing from the work-rest schedule. The predicted sleep-wake data are used to evaluate fatigue likelihood during any given work-rest schedule. Obtaining accurate estimates of sleep is critical for yie...
Article
Study Objectives To compare rail workers’ actual sleep-wake behaviors in normal operations to those predicted by a biomathematical model of fatigue (BMMF). To determine whether there are group-level residual sources of error in sleep predictions that could be modeled to improve group-level sleep predictions. Methods The sleep-wake behaviors of 354...
Article
In families with infants between the ages of 6 and 18 months, sleep disruption can be significant, often putting parents at risk of a range of negative psychological and psychosocial consequences. Commonly prescribed sleep interventions typically involve ‘extinction’ methods, which require parents to completely or periodically ignore their infant's...
Conference Paper
Full-text available
Introduction: In operational settings, managing fatigue and sustaining performance are critical to maintaining safety and productivity. Biomathematical models have been developed to predict fatigue and performance from sleep-wake histories enabling the construction of work schedules that minimize fatigue and performance impairment. Often, however,...
Article
Objectives: The purpose of this study was to investigate the accumulation of fatigue over a two-week offshore period. In particular, the effects of (1) time-of-day and days-on-shift as well as (2) acute and chronic sleep loss on the rate at which fatigue accumulates were investigated. Methods: 42 day-shift offshore workers were examined. Fatigue...
Article
Study Objectives: Recent experimental research indicates a substantial impact of fatigue on police officers’ encounters with the public. In recent years, biomathematical models of fatigue have provided a new way to identify potential relationships between working time arrangements and job performance. This study focused on public complaints against...
Article
Full-text available
Traditionally, working time arrangements to limit fatigue-related risk have taken a prescriptive approach, which sets maximum shift durations in order to prevent excessive buildup of fatigue (and the associated increased risk) within shifts and sets minimum break durations to allow adequate time for rest and recovery within and/or between shifts. P...
Article
Boarding schools have been increasingly championed in strategies to move closer to educational equality for Aboriginal and Torres Strait Islander students. However, there is a significant lack of research and evidence on the implications of the boarding environment for Aboriginal students, families and communities. This paper presents a study of an...
Article
Full-text available
Estimates in developed countries of the extent to which fatigue contributes to road accidents range from as low as 5% to as high as 50% of all accidents. Compared with other causes of road accidents (e.g., speeding, drink-driving), the variability in these estimates is exceptionally high and may be indicative of the difficulty in determining the li...
Article
Full-text available
The Working Time Society (WTS), and the International Commission on Occupational Health (ICOH) Scientific Committee on Shiftwork and Working Time, are twin organisations focused on conducting research, and informing practice, regarding the impact of work hours in general, and shiftwork in particular, on the efficiency, productivity, safety, well-be...
Article
Introduction Police officers respond to emergencies, patrol neighborhoods, and handle citizen complaints around-the-clock, and their sleep opportunities are frequently reduced by extended duty hours and secondary employment. Twenty-five percent of U.S. protective services (including police) also work shifts. Shift work and sleep loss increase fatig...
Article
The longstanding human interest in dreams has led to a significant body of psychological and philosophical discourse, including research. Recently, however, dreams have been relegated to the periphery of clinical psychological practice. This is potentially problematic as clients continue to bring dreams to therapy and many psychologists lack the co...
Chapter
Full-text available
In this entry, we discuss previous critiques of food charity as outlined by Poppendieck (1998). We then consider the potential for community food security approaches to address these critiques. We find that community food security approaches are a step in the right direction, but a socially and ecologically innovativemodel is needed to move beyond...
Article
Objectives: The National Sleep Foundation (NSF) recommends 7 to 9 hours of sleep per night for adults ≥ 65 years of age. Sleep duration below 7h per night has been associated with negative health consequences, so enabling older adults to obtain at least 7 hours per night is important for health and wellbeing. However, little is known about behavio...
Conference Paper
Route learning for novice train drivers typically consists of initial classroom-based instructions followed by on-the-job training under the guidance of tutor drivers. Whilst simulators have the potential to provide complementary off-the-job support, their adoption and integration in the train-driving curriculum is not pervasive. This is despite th...
Article
Full-text available
The higher education sector is a dynamic environment where universities compete on a global basis for resources, students, and high-quality staff. The impending retirement of the baby boomer generation will create increased competition for research leaders. One way to address this is to develop research leaders from existing researchers. However, l...
Article
Full-text available
In recent years, there has been a rise in environmental consciousness and community awareness of waste disposal issues. However, discrepancies remain between people's attitude and their behavior regarding waste disposal and recycling; commonly known as the "attitude behavior gap". This study was designed to aid in bridging this gap by exploring how...
Chapter
The endogenous circadian timekeeping system modulates human physiology and behavior with a near 24 h periodicity conferring adaptation to the ~24 h solar light-dark cycle. Thus, the circadian timekeeping system times physiology and behavior so that it is prepared for environmental changes. The term circadian implies an endogenous “clock-driven” pro...
Article
The aim of this study was to compare the quantity/quality of sleep obtained by people living on split and consolidated sleep–wake schedules. The study had a between-groups design, with 13 participants in a consolidated condition (all males, mean age of 22.5 yr) and 16 participants in a split condition (all males,mean age of 22.6 yr). Both condition...
Article
This study compared the impact of split and consolidated sleep/wake schedules on subjective sleepiness during the biological day and biological night. This was achieved using a between-group design involving two forced desynchrony protocols: consolidated sleep/wake and split sleep/wake. Both protocols included 7 × 28-h days with 9.33 h in bed and 1...
Article
Bio-mathematical models that predict fatigue and/or sleepiness have proved a useful adjunct in themanagement of what has been typically referred to as fatigue-related risk. Codifying what constitutesappropriate use of these models will be increasingly important over the next decade. Current guide-lines for determining a safe working time arrangemen...
Article
This study compared the impact of split and consolidated sleep/wake schedules on subjective sleepiness during the biological day and biological night. This was achieved using a between-group design involving two forced desynchrony protocols: consolidated sleep/wake and split sleep/wake. Both protocols included 7 × 28-h days with 9.33 h in bed and 1...
Conference Paper
Increasingly, remote Aboriginal families are being encouraged to transition their children into boarding environments to complete secondary schooling. This comes largely from recent policy recommendations and implementation of a strategic plan to redistribute funding and resources away from secondary education provision in remote and very remote co...
Conference Paper
The focus of this study is modelling of railway drivers (RDs) multivariate sleep duration time series profiles, of in excess of > 1000 sleep episodes, with respect to SOM-derived clusters. Generalized Additive Models for Location, Scale and Shape (GAMLSS) of the RDs sleep duration were tested with respect to RD-specific predictors of duration of ne...
Conference Paper
The focus of this study is modelling of railway drivers (RDs) multivariate sleep duration time series profiles, of in excess of > 1000 sleep episodes, with respect to SOM-derived clusters. Generalized Additive Models for Location, Scale and Shape (GAMLSS) of the RDs sleep duration were tested with respect to RD-specific predictors of duration of ne...
Conference Paper
Full-text available
Introduction: Obesity continues to impact on the health of the Western world. There is a growing need to identify, and subsequently manage, contributing factors if we are to reduce the health and economic burden on society. Shiftwork is a recognised contributor to metabolic disease, however it is still not clear exactly how shiftwork contributes to...
Article
Full-text available
Purpose: To describe organisational strategies that support early career researchers in building a successful track record which can lead to a successful academic research career. Design/methodology/approach: This paper draws on more than a decade of experience designing, implementing, and evaluating professional development programs for early care...
Article
Full-text available
The 9th International Conference on Managing Fatigue in Transportation, Resources and Health was held in Fremantle, Western Australia in March 2015. The purpose of the conferences in this series is to provide a forum for industry representatives, regulators, and scientists to discuss recent advances in the field of fatigue research. We have produce...
Article
Prevalence and impact of metabolic disease is rising. In particular, overweight and obesity are at epidemic levels and are a leading health concern in the Western world. Shift work increases the risk of overweight and obesity, along with a number of additional metabolic diseases, including metabolic syndrome and type 2 diabetes (T2D). How shift wor...
Conference Paper
Recently, adoption of competency-based training schemes in safety-critical domains has increased. This includes rail where performance-based models have steadily replaced the older experience- and time-based curricula. The advancement of technology has catalysed this change by introducing new opportunities for enhancing training delivery. Among the...
Conference Paper
Remote Australian education remains complex. Boarding schools in regional or metropolitan areas have long been an option that provides remote students with access to opportunities available in a mainstream setting. Recently, media and policy focus on Indigenous boarding programs has increased dramatically, yet academic research on the experiences o...
Article
Full-text available
The aim of this study was to examine the sleep strategies used in breaks between consecutive shifts. For two weeks, 253 shiftworkers collected data regarding the timing of all shifts and sleeps. The final dataset included 395 between-shift breaks that had a standard duration (i.e. ~16 h). If a break included an entire night, participants had a sing...
Article
Fatigue represents a significant driving risk. One predictor of fatigue, and driving impairment, is prior sleep length. However, it is currently unknown how much sleep driver’s perceive as necessary to drive safety. This may be an important contributor to a driver’s decision about whether they are safe to drive. There is also evidence that reduced...
Data
Full-text available
In the military or emergency services, operational requirements and/or community expectations often preclude formal prescriptive working time arrangements as a practical means of reducing fatigue-related risk. In these environments, workers sometimes employ adaptive or protective behaviours informally to reduce the risk (i.e. likelihood or conseque...
Chapter
Two SOM ANN approaches were used in a study of Australian railway drivers (RDs) to classify RDs' sleep/wake states and their sleep duration time series profiles over 14 days follow-up. The first approach was a feature-based SOM approach that clustered the most frequently occurring patterns of sleep. The second created RD networks of sleep/wake/duty...
Article
Full-text available
This study examined whether the provision of feedback and the interval between successive stimuli interact to affect performance on a serial simple reaction time test during sleep deprivation. Sixteen participants (9 female, 7 male, aged 18e27 yr) completed four versions of the 5-min psychomotor vigilance task for a handheld personal digital assist...
Article
Full-text available
Two SOM ANN approaches were used in a study of Australian railway drivers (RDs) to classify RDs’ sleep/wake states and their sleep duration time series profiles over 14 days follow-up. The first approach was a feature-based SOM approach that clustered the most frequently occurring patterns of sleep. The second created RD networks of sleep/wake/duty...
Article
Full-text available
The 9th International Conference on Managing Fatigue in Transportation, Resources and Health was held in Fremantle, Western Australia in March 2015. The purpose of the conferences in this series is to provide a forum for industry representatives, regulators, and scientists to discuss recent advances in the field of fatigue research. We have produce...
Conference Paper
Full-text available
Food waste is a problem with serious environmental, social, financial, and moral implications. Reducing the amount of food sent to landfill is a key challenge to increase environmental sustainability. Over the past decade the food redistribution sector has grown with the rise of several new food bank and food rescue organisations. These organisatio...
Article
Recent media and policy focus in remote Aboriginal education has turned to boarding schools. The general rhetoric is that boarding schools will allow Indigenous Australian students to have access to quality education and to learn to ‘walk in two worlds’. However, to date, there has been very little exploration of the lived experiences of Indigenous...
Article
Full-text available
As global concern about sustainability, food waste, and poverty increases, there is an urgent need to understand what motivates businesses to adopt pro-social and pro-environmental behaviours. This paper suggests that food redistribution organisations hold both pro-social and pro-environmental aims, due to their concern with reducing food surplus a...
Conference Paper
Full-text available
Despite numerous reviews, strategies and programs, Aboriginal and Torres Strait Islander students still have lower academic achievement levels than non-Indigenous Australian students (as measured by NAPLAN). Educational research suggests that parental involvement in their children’s education significantly contributes to improved academic, social,...
Article
Extended wakefulness, sleep loss, and circadian misalignment are factors associated with an increased accident risk in shiftwork. Splitting shifts into multiple shorter periods per day may mitigate these risks by alleviating prior wake. However, the effect of splitting the sleep–wake schedule on the homeostatic and circadian contributions to neurob...
Article
Full-text available
Sleep research is characterized by an interest in humans, with the realm of animal sleep left largely to ethologists and animal scientists. However, the lives of sleep-study participants and those with sleep problems frequently involve animals. For the majority of the population in developed countries who own pets, their waking lives are impacted b...
Article
Extended wakefulness, sleep loss, and circadian misalignment are factors associated with an increased accident risk in shiftwork. Splitting shifts into multiple shorter periods per day may mitigate these risks by alleviating prior wake. However, the effect of splitting the sleep–wake schedule on the homeostatic and circadian contributions to neurob...
Article
Full-text available
Purpose – The purpose of this paper is to describe a novel strategy for building research capability in a young university with an emerging research culture. Investment in building research capacity is essential for universities to remain competitive, but one of the challenges for younger universities is developing the research capability of indivi...
Article
Full-text available
Food waste is a global problem. In Australia alone, it is estimated that households throw away AU$5.2 billion worth of food (AU$616 per household) each year. Developed countries have formal waste management systems that provide measures of food waste. However, much remains unknown about informal food waste disposal routes and volumes outside of the...
Conference Paper
Full-text available
Aims: Neurobehavioural performance is typically worse during night shifts than day shifts because the sleep/wake cycle and circadian rhythm are misaligned. Working multiple shorter shifts per day, to allow some sleep at night and some work during the daytime, may improve night-time performance. However, the effect of splitting the work-rest schedul...
Article
Full-text available
Building research capacity is essential for universities to remain competitive in the current environment, whilst investing in developing the research capability of individuals is vital to the future of young universities with an emerging research culture. A programme of this type can assist early career researchers to build their track record and...
Article
Fatigue is a significant risk factor in workplace accidents and fatalities. Several technologies have been developed for organisations seeking to identify and reduce fatigue-related risk. These devices purportedly monitor behavioural correlates of fatigue and/or task performance and are understandably appealing as a visible risk control. This paper...
Article
There are few studies examining changes in waking function in a laboratory environment with no sleep deprivation and mood has been largely overlooked in this context. The present study examined changes in mood, performance, sleep and sleepiness in the laboratory study with no sleep deprivation. Nineteen participants (10M, 9F; 22y ± 4.2y) were given...
Book
Full-text available
Rapid advancements in train control and in-cab technologies provide significant opportunities for rail operators to improve efficiency and enhance their operations. New technologies often provide elegant solutions to existing problems or new capabilities for the operator. However, new technologies may also represent a significant form of risk. Thus...
Chapter
Full-text available
While data on the representation of academic women in Australian universities has been monitored since the mid-1980s, little is known about how their representation has changed since a study undertaken in the mid-2000s (Winchester, Lorenzo, Browning, & Chesterman, 2006). To determine how academic women are currently represented in Australian univer...
Article
Full-text available
Long-haul airline pilots often experience elevated levels of fatigue due to extended work hours and circadian misalignment of sleep and wake periods. During long-haul trips, pilots are typically given 13 d off between flights (i.e., layover) to recover from, and prepare for, duty. Anecdotally, some pilots prefer long layovers because it maximizes t...
Conference Paper
We currently achieve 3.4 dB noise figure at 183GHz and 2.1 dB noise figure at 90 GHz with our MMIC low noise amplifiers (LNAs) in room temperature. These amplifiers and the receivers we have built using them made it possible to conduct highly accurate airborne measurement campaigns from the Global Hawk unmanned aerial vehicle, develop millimeter wa...
Article
Full-text available
Metrics such as passengers per square metre have been developed to define optimum or crowded rail passenger density. Whilst such metrics are important to operational procedures, service evaluation and reporting, they fail to fully capture and convey the ways in which passengers experience crowded situations. This paper reports findings from a two y...
Article
Train drivers rely on an expert knowledge of their route and highly sophisticated strategies to navigate the railway. A well-developed research base has conceptualised the processes required to apply route knowledge but has yet to explore how the track is internally represented. Fifty-six train drivers from 7 organisations across Australia particip...
Article
Eliciting tacitly wielded knowledge from expert practitioners can be very difficult. Task analysis methods have harnessed a variety of naturalistic techniques to enrich the knowledge elicited, but few have incorporated the generative methods used in participative design. Research was conducted in the Australian rail industry using a novel macro-to-...
Article
Over the last 20 years, academic, industry and community stakeholders have been meeting at a biennial scientific conference to discuss fatigue-related research and policy in the transportation, resources and health sectors. During this period, the research conducted around the world has progressed substantially: we now better understand the basic p...