Making the Processes of Designing Explicit Within an Information Technology Environment

In this paper, technology is described as involving processes whereby resources are utilised to satisfy human needs or to take advantage of opportunities, to develop practical solutions to problems. This study, set within one type of technology context, information technology, investigated how, through a one semester undergraduate university course, elements of technological processes were made explicit to students. While it was acknowledged in the development and implementation of this course that students needed to learn technical skills, technological skills and knowledge, including design, were seen as vital also, to enable students to think about information technology from a perspective that was not confined and limited to `technology as hardware and software'. This paper describes how the course, set within a three year program of study, was aimed at helping students to develop their thinking and their knowledge about design processes in an explicit way. An interpretive research approach was used and data sources included a repertory grid `survey'; student interviews; video recordings of classroom interactions, audio recordings of lectures, observations of classroom interactions made by researchers; and artefacts which included students' journals and portfolios. The development of students' knowledge about design practices is discussed and reflections upon student knowledge development in conjunction with their learning experiences are made. Implications for ensuring explicitness of design practice within information technology contexts are presented, and the need to identify what constitutes design knowledge is argued.     

The marketing effectiveness of UK environmental charity websites compared to best practice

All nonprofit organisations need to give attention to their marketing strategies in order to maximise the funding and support they receive and the numbers using their services. The web offers a new communications medium with which to achieve this. This paper compares suggested best practice approaches to web marketing using the websites of UK environmental charities as a type of nonprofit organisation. Copyright © 2003 Henry Stewart Publications     

STOCK SPLITS AND MARKET ANOMALIES

Previous studies of market efficiency have reported conflicting results when examining stock splits. Recent studies reporting market inefficiencies have made several methodological improvements, but have failed to control for the possible confounding effects of “unexpected” changes in corporate earnings announced near the stock split event. Stock splits are often issued around the time that firms experience large increases in corporate earnings. Therefore, an explicit treatment of earnings announcements in an event study of stock splits may yield further insights. This study found no market inefficiencies associated with splitting securities that experienced moderate changes in corporate earnings. However, anomalies were associated with splitting securities that experienced large increases in corporate earnings. These results suggest that previous findings of market inefficiencies, attributable solely to the stock split event, may be due in part to unexpected changes in corporate earnings.     

Barriers and the transition to modern growth

This paper argues that barriers affect both the beginning date and the subsequent pace of modern growth, and taking into account this fact enriches our knowledge of cross-country income differences. The model matches the observed inverted U-shape of cross-country income differences, which implies that a substantial fraction of current income differences is transitional. Hence, the model requires smaller barriers to account for current income differences relative to models that focus only on steady states. Empirically, I find that differences in the beginning dates of modern growth explain large differences in incomes.     

The impact of downward social information on contribution decisions

In this paper we study the effect of downward social information in contribution decisions to fund public goods. We describe the results of a field experiment run in conjunction with the fundraising campaigns of a public radio station. Renewing members are presented with social information (information about another donor’s contribution) which is either above or below their previous (last year’s) contribution. We find that respondents change their contribution in the direction of the social information; increasing their contribution when the social information is above their previous contribution, and decreasing their contribution when the social information is below. We hypothesize about the psychological motivations that may cause the results and test these hypotheses by comparing the relative size of the upward and downward shifts. These results improve our understanding of cooperation in public good provision and suggest differential costs and benefits to fundraisers in providing social information.      

Treatment patterns and predictors of costs among patients with migraine: evidence from the United States medical expenditure panel survey

Abstract

Aim: Within a treated migraine population, to evaluate if the sub-group meeting criteria for high disease-specific total costs is significantly different to the sub-group with medium and/or low-costs, and to identify the associated risk factors.

Methods: Data from the Household Component of Medical Expenditure Panel Survey (MEPS-HC, 2008–2012), a nationally representative survey of non-institutionalized civilians in the US, were analyzed. Key inclusion criteria were migraine diagnosis (ICD-9 code: 346.XX) and prescribed treatment for migraine. Patients were categorized into high (>top 10th percentile), low (<bottom 10th percentile), and medium (between high and low) cost sub-groups per migraine-specific total costs. Logistic regression models were applied to identify predictors of high vs medium and medium vs low-costs. Preventive eligibility, defined as (i) past/current use of migraine preventives or (ii) overuse of acute medications, was compared to non-preventive eligibility.

Results: Within the treated migraine cohort (n?=?1,735), the mean age was 39?years, 80% were female, and the majority were in the medium-cost sub-group (n?=?1,360) (low-cost n?=?190, high-cost n?=?195). Significant predictors of high vs medium-costs were low SF-12 Physical Composite Scores (OR?=?0.95; 95% CI?=?0.92–0.97), low SF-6D health utility index scores (OR?=?0.019; 95% CI?=?0.002–0.193), preventive eligibility-i (OR?=?0.019; 95% CI?=?0.002–0.193), and preventive-eligibility-ii (OR?=?3.10; 95% CI?=?1.62–5.91). Statistically significant (p?<?0.05) predictors of medium vs low-costs included anxiety, Fleishman score, preventive-eligible-i, and preventive-eligible-ii.

Conclusions: Among patients treated for migraine, distinct characteristics, including patient-functioning measures and comorbidities, are predictive of high vs medium-costs, and medium vs low-costs. Preventive eligibility is a predictor of being in the higher cost sub-groups; however, preventive treatments that improve functioning and reduce acute medication use have the potential to reduce migraine-specific costs.

Limitations: The results are limited to a population that is diagnosed and treated for migraine. Over-the-counter medication use, and migraine headache frequency and severity were not captured.