Digital Commons @ George Fox University: 3-Year Report

A look at the use and content of our institutional repository three years in

Leadership and employee engagement in the New Zealand dairy farming industry - is there a link with milk production performance? : a thesis presented in partial fulfilment of the requirements for the degree of Master of Arts in Psychology at Massey University, Manawatu, New Zealand

This study sought to investigate which leadership styles were more effective at increasing employee engagement and/or overall milk production performance in the context of the New Zealand (NZ) dairy farming industry. This study also sought to investigate whether psychological needs satisfaction mediated the relationships between leadership styles and employee engagement. A cross-sectional self-report survey was used to collect data. Results indicated that transformational-contingent reward leadership was related to higher levels of employee engagement, while passive-avoidant leadership, management by exception active, and destructive leadership styles were all negatively related to employee engagement. Satisfaction of the need for autonomy was found to fully mediate the relationship between transformational-contingent reward leadership and employee engagement, between passive-avoidant leadership and employee engagement, and also between destructive leadership and employee engagement. None of the independent variables were found to have significant relationships with overall milk production performance. Theoretical and practical implications for effective leadership styles are discussed along with recommendations for future research

An Independent Component Analysis Based Tool for Exploring Functional Connections in the Brain

This thesis describes the use of independent component analysis (ICA) as a measure of voxel similarity, which allows the user to find and view statistically independent maps of correlated voxel activity. The tool developed in this work uses a specialized clustering technique, designed to find and characterize clusters of activated voxels, to compare the independent component spatial maps across patients. This same method is also used to compare SPM results across patients

Open textbooks - an untapped opportunity for universities, schools and colleges

The pilot phase of the UK Open Textbook project reached completion in April 2018. This article discusses the project, what open textbooks are, and why they are an untapped opportunity for universities, colleges and schools. The North American models of open textbook creation and uptake (adoption) are designed to help reduce university student financial worries and enhance learning opportunities, and provide much-needed resources for schools (or the K12 system in the US and Canada). The ability to repurpose books leads to innovative and engaging pedagogies including students as co-authors. Yet in the UK, the level of discussion and awareness of the opportunities afforded by open textbooks, and the existence of a small number of UK initiatives, is poor. The aim of the UK Open Textbook project was to raise awareness and host activities to encourage the adoption of open textbooks. The results of the project are discussed, along with the policy, cultural and practice changes required to scale up these approaches. Why should our learners miss out

Discriminative Recurrent Sparse Auto-Encoders

We present the discriminative recurrent sparse auto-encoder model, comprising a recurrent encoder of rectified linear units, unrolled for a fixed number of iterations, and connected to two linear decoders that reconstruct the input and predict its supervised classification. Training via backpropagation-through-time initially minimizes an unsupervised sparse reconstruction error; the loss function is then augmented with a discriminative term on the supervised classification. The depth implicit in the temporally-unrolled form allows the system to exhibit all the power of deep networks, while substantially reducing the number of trainable parameters. From an initially unstructured network the hidden units differentiate into categorical-units, each of which represents an input prototype with a well-defined class; and part-units representing deformations of these prototypes. The learned organization of the recurrent encoder is hierarchical: part-units are driven directly by the input, whereas the activity of categorical-units builds up over time through interactions with the part-units. Even using a small number of hidden units per layer, discriminative recurrent sparse auto-encoders achieve excellent performance on MNIST.Comment: Added clarifications suggested by reviewers. 15 pages, 10 figure

Assessing national values to protect the health of the Great Barrier Reef

The Great Barrier Reef (GBR) is a vast iconic environmental asset covering an area of approximately 35 million hectares. It is valued by people all over Australia, as well as overseas. Non-market values for the GBR will comprise both use and non-use values. The values of people who live closer to the GBR and who can visit it more frequently are likely to be higher than those who live further away. The aim of this study was to estimate the values to protect the health of the GBR at the national level and to examine the effects of distance decay on valuation estimates. A split-sample choice-modelling experiment was conducted in six locations: a regional town within the GBR catchment area (Townsville); Brisbane, the state capital approximately 450 km from the southern limit of the GBR; and four other capital cities (Sydney, Melbourne, Adelaide and Perth) ranging from 730 km to over 3600 km from Brisbane. The results indicate that the total national value for a 1 per cent improvement in the health of the GBR ranges from between a low of approximately $433.6 million to a high of$811.3 million, depending on the underlying assumptions made. There was some evidence of distance decay in values. Most decline occurred once outside the home state, and little further decline once away from the east coast. There was no evidence to suggest any difference in patterns of use and non-use values. The values of the potential future users were most influential in determining WTP estimates.Environmental Economics and Policy,

Comparing responses from web and paper-based collection modes in a choice modelling experiment

Comparing responses from web and paper-based collection modes in a choice modelling experimentweb-based surveys, internet surveys, paper-based surveys, stated preference, collection mode, choice experiments, Environmental Economics and Policy,

Assessing community values for reducing agricultural emissions to improve water quality and protect coral health in the Great Barrier Reef

Key policy issues relating to protection of the Great Barrier Reef from pollutants generated by agriculture are to identify when measures to improve water quality generate benefits to society that outweigh the costs of reducing pollutants. The research reported in this paper makes a key contribution in several key ways. First, it uses the improved science understanding about the links between management changes and reef health to bring together the analysis of costs and benefits of marginal changes, helping to demonstrate the appropriate way of addressing policy questions relating to reef protection. Second, it uses the scientific relationships to frame a choice experiment to value the benefits of improved reef health, and links improvements explicitly to changes in ‘water quality units’. Third, the research demonstrates how protection values are consistent across a broader population, with some limited evidence of distance effects. Fourth, the information on marginal costs and benefits that are reported provide policy makers with key information to help improve management decisions. The results indicate that while there is potential for water quality improvements to generate net benefits, high cost water quality improvements are generally uneconomic. One implication for policy makers is that cost thresholds for key pollutants should be set to avoid more expensive water quality proposals being selected.Choice modelling experiment, attribute definition, input output definition, Environmental Economics and Policy, Q. 15, Q51, Q57,

Comparing Responses from Internet and Paper-Based Collection Methods in more Complex Stated Preference Environmental Valuation Surveys

Internet surveys are becoming an increasing popular survey collection method because collection times are quicker and survey costs are lower than other collection techniques. Many studies have been conducted overseas to compare the effects of survey collection modes with results still remaining inconsistent. Fewer studies have compared collection methods for nonmarket valuation surveys, particularly for the more complex stated preference, choice modelling surveys. In this study, a comparison of internet and paper-based surveys is made to determine if the results for overseas studies can be replicated in Australia. The valuation exercise was to elicit values from Brisbane respondents for future improvements in the environmental condition of the Great Barrier Reef. The results indicate that there were some socio-demographic and attitudinal differences between the two samples and the models developed to explain the influence on choice selection were also significantly different. However, no differences in value estimates were found in the final results; household willingness to pay for an improvement in the condition of the GBR was equivalent across collection methods.collection method, drop-off/pick-up, nonmarket valuation, choice modelling experiment