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    Office Distractions and the Productivity of Building Users: The Effect of Workgroup Sizes and Demographic Characteristics
    (MDPI (Basel Switzerland), 2021-02-06) Khoshbakht M; Rasheed EO; Baird G; Arditi D
    Knowledge workers are experiencing ever-increasing distractions or unwanted interruptions at workplaces. We explored the effect of unwanted interruptions on an individual’s perceived productivity in various building types, user groups and workgroups. A case study of 68 buildings and their 5149 occupants using the Building Use Studies methodology was employed in this study. The database contains information on the occupants’ perceptions of physical and environmental parameters, including unmined data on the frequency of unwanted interruptions. Pearson’s correlation was used to test the correlation between the variables. In order to determine whether there are any statistically significant differences between the means of two or more independent (unrelated) groups, one-way ANOVA was employed to examine the significance of differences in mean scores between various user groups and workgroups. The evidence of clear correlations between the frequency of unwanted interruptions and perceived productivity is detailed in various user groups and in multiple building types. The Pearson correlation coefficients were−0.361 and−0.348 for sustainable and conventional buildings, respectively, demonstrating a lower sensitivity to unwanted interruptions in sustainable buildings. Females and older participants were more sensitive to unwanted interruptions and their productivity levels were reduced much more by unwanted interruptions. Comparing different sized workgroups, the highest sensitivity to unwanted interruptions for occupants in offices shared with more than 8 people was found. The findings of this study contribute to the understanding of different user needs and preferences in the design of workplaces
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    The management of miniature horses at pasture in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy (without specialisation) at Massey University, Manawatū campus, New Zealand
    (Massey University, 2020) Goh, Sheen Yee
    Studies on the demographics, feeding management and health care practices of Miniature horses in New Zealand have yet to be conducted. Thus, the aim of this study is to describe the demographics, feeding management and health care practices of Miniature horses in New Zealand. To achieve the aim of this study, an online survey was conducted using the Qualtrics Survey Software. There were 232 valid responses from respondents who kept 1,183 Miniature horses, representing approximately one third of the New Zealand Miniature horse population. Miniature horses were kept for leisure and companionship (56%), competition (35%) and for breeding (7%). The median number of Miniature horses kept by owners for leisure and companionship was significantly lower (two horses) than those kept for competition (six horses) or for breeding (ten horses) (p<0.05). The majority (79%) of Miniature horses were kept at pasture on low (<1,000 kg DM/ha) to moderate (~2,000 kg DM/ha) pasture masses across seasons. Pasture access was more commonly restricted by respondents during spring (60%), summer (60%), and autumn (55%) than in winter (43%). The majority (n=173/198, 87%) of respondents practiced pasture-restriction strategies such as strip grazing (n=118), temporary use of a paddock with little grass (n=99), confinement for part of a day in a stable or yard (n=94), turning out horses to graze in the early morning only (n=42), or fitting a grazing muzzle (n=24). Another pasture restriction strategy cited by respondents (n=15) was provision of a track system. Respondents indicated the mode daily number of hours of stabling was 7-12 hours (n=57/195, 29%). Miniature horses kept primarily for competition were stocked at a significantly higher stocking density (13 horses/ha) compared with those kept for leisure and companionship (10 horses/ha) or for breeding (12 horses/ha) (p<0.05). The overall median stocking density was 10 horses/ha, (~1,100 kg live weight/ha). Although the stocking density appeared to be high, on a live weight basis, it was comparable to the stocking density of other classes of equine livestock. In addition to feeding on pasture, most owners provided the horses with additional feed (n=194/232, 84%). Additional feedstuffs were hay (n=180), chaff (n=130), premixed concentrates (n=117), fermented forages (n=51), and other types of feed (n=33) such as oats, copra, soy, molasses, and sugar beet pulp. Respondents (n=200/214, 93%) dewormed their Miniature horses between two and four times annually as a routine preventive measure (n=156/199, 78%), and of the respondents who vaccinated their Miniature horses in the last year (n=41/199, 21%), tetanus and strangles vaccines were the most administered vaccine types (n=20/41, 49%).