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Towards Making Random Passwords Memorable: Leveraging Users' Cognitive Ability Through Multiple Cues
Mahdi Nasrullah Al-Ameen,Matthew Wright,Shannon Scielzo
Computer Science , 2015,
Abstract: Given the choice, users produce passwords reflecting common strategies and patterns that ease recall but offer uncertain and often weak security. System-assigned passwords provide measurable security but suffer from poor memorability. To address this usability-security tension, we argue that systems should assign random passwords but also help with memorization and recall. We investigate the feasibility of this approach with CuedR, a novel cued-recognition authentication scheme that provides users with multiple cues (visual, verbal, and spatial) and lets them choose the cues that best fit their learning process for later recognition of system-assigned keywords. In our lab study, all 37 of our participants could log in within three attempts one week after registration (mean login time: 38.0 seconds). A pilot study on using multiple CuedR passwords also showed 100% recall within three attempts. Based on our results, we suggest appropriate applications for CuedR, such as financial and e-commerce accounts.
Mentor and protégé goal orientations as predictors of newcomer stress
Julia M. Fullick,Kimberly A. Smith-Jentsch,Charyl Staci Yarbrough,Shannon A. Scielzo
The Journal of Scholarship of Teaching and Learning , 2012,
Abstract: Although many academic organizations offer formal mentoring programs, little is known about how individual characteristics of peer mentors and their protégés interact to reduce new-student stress. First-year college students participated in a peer-mentoring program designed to reduce stress. The results of this study demonstrated that protégés who received greater psychosocial and career support showed greater stress reduction. Additionally, protégés with a higher avoid performance goal orientation showed lesser stress reduction. Mentor avoid performance goal orientation was positively associated with stress reduction for protégés high on avoid performance goal orientation, but negatively associated for those low on avoid performance goal orientation.
Assessing outcomes after fast track surgical management of corpus cancer  [PDF]
Jonathan Carter, Shannon Philp
Open Journal of Obstetrics and Gynecology (OJOG) , 2011, DOI: 10.4236/ojog.2011.13026
Abstract: Objective: The aim of the study was to audit the outcomes of patients with corpus cancer managed with a fast track surgery (FTS) program. Design: Clinical audit of outcomes after laparotomy for corpus cancer and managed by FTS principles. Setting: Tertiary hospital, University based subspecialty gynaecological oncology practice. Population or Sample: Consecutive patients with uterine corpus cancer. There were no exclusions. Methods: Three year audit of FTS Database. Main Outcome Measures: Ability to tolerate early oral feeding (EOF), length of stay (LOS), perioperative complication rate and readmission rate. Results: Sixty six patients were operated upon whose median age was 59.5 years. Forty six (70%) had stage I disease, 7 (11%) stage II, 9 (14%) stage III and 4 (6%) had stage IV disease. Twenty seven (41%) had lymph node sampling performed. Median operating time was 2.5 hours. Mean BMI was 30 kg/m2 (Range: 18 - 47). Fifty patients (76%) were classified as over-weight or obese. Twenty four patients (36%) had a “non-zero” performance status. Mean intraoperative EBL was 227 ml. Median LOS was 3.0 days. There were 3 (5%) intraoperative complications. There were no intraoperative ureteric, bowel or vascular injuries. Postoperatively, 13 (20%) patients experienced a total of 24 adverse events. Only 2 (3%) patients experienced complications greater than grade 2. Conclusion: This audit shows that in an unselected group of patients undergoing laparotomy as management for their uterine malignancy and managed by a FTS protocol, overall excellent results can be achieved.
"I Wish for More Than I Ever Get": Employers’ Perspectives on Employability Attributes of Architecture Graduates  [PDF]
Susan J. Shannon
Creative Education (CE) , 2012, DOI: 10.4236/ce.2012.326153
Abstract: This research considers graduate recruitment for architecture graduates. Employers in small, medium and large Australian firms, from the private and public sector were surveyed about their graduate hiring practices. Through distilling the discipline specific Graduate Attributes for all Australian Architecture Schools’ Architecture Programs, and generic Graduate Attributes for their Universities, the researcher compiled a questionnaire which was administered to prospective employers of architecture graduates. The results reveal that the possession of technical knowledge is more highly rated as a Graduate Attribute in recruitment than the possession of design knowledge/skills, and that the possession of Computer Aided Design (CAD) representation skills is more important to graduate recruiters of all firm sizes than either technical or design knowledge and skills. The research further revealed that the presentation of a portfolio is a key recruitment tool for employers, and that the demonstration of team work is a highly valued generic attribute for employers.
Bai-Perron Estimates of OECD Natural Rates of Unemployment 1955-2011  [PDF]
Michael Shannon, Bakhtiar Moazzami
iBusiness (IB) , 2014, DOI: 10.4236/ib.2014.63015
Abstract: Bai and Perron’s method for detecting multiple, unknown structural breaks was used to estimate natural rates of unemployment for 19 OECD countries from 1955-2011. Natural rates were lowest in the early period, then, rose in the mid-1970s and early-1980s in most countries. Several countries saw declines in the late-1990s or early-2000s.
Justifying Atonement: An Anselmian Response to Modern Critics
Daniel Shannon
The Saint Anselm Journal , 2009,
Abstract: This paper considers three modern objections to Anselm's argument on atonement in book I of Cur Deus Homo. The objections are from Friedrich Nietzsche, R. C. Moberly, and Hastings Rashdall; each one makes the case that Anselm's argument is fallacious. Each one interprets Anselm's position as requiring that someone innocent suffer punishment in order to acquit guilt. I contend that these objectors do not offer a strong case against Anselm's argument, principally because they have not examined it completely and have misunderstood his reasoning. In fine, Anselm's case is (a) the Son's obedience to the Father suffices for atonement, (b) the Son is an advocate for Adam and his heirs and stands in for them because of his blood ties to humanity, and (c) the Son is the advocate for the Father in the latter's attempt to end human estrangement from justice. Being both an advocate of the Father and an heir to Adam, the Son's Incarnation itself prepares the way of reconciliation and the life of the upright will resolves estrangement. The fact that the Son suffers pain and death is due not to the Father's will but to our resistance to the justice of the Son's upright will.
Using Glucose Tolerance Tests to Model Insulin Secretion and Clearance
Anthony Shannon
Bioautomation , 2005,
Abstract: The purpose of the studies described in this paper is to develop theoretically and to validate experimentally mathematical compartment models which can be used to predict plasma insulin levels in patients with diabetes mellitus (DM). In the case of Type 2 Diabetes Mellitus (T2DM), the C-peptide levels in the plasma were measured as part of routine glucose tolerance tests in order to estimate the prehepatic insulin secretion rates. In the case of Type 1 Diabetes Mellitus (T1DM), a radioactive labelled insulin was used to measure the absorption rate of insulin after a subcutaneous injection of insulin. Both models gave close fits between theoretical estimates and experimental data, and, unlike other models, it is not necessary to seed these models with initial estimates.
"We grew as we grew": visual methods, social change and collective learning over time
Shannon Walsh
South African Journal of Education , 2012,
Abstract: Educational research using visual methods has the power to transform the society in which we live and the communities in which we work. We must not naively imagine that having the desire to make change in people's lives will mean that it will happen, as sometimes there may be surprising, unintended negative repercussions as well. Other constraints, such as structural violence and institutional racism, can also intersect with the possibility of making tangible change through educational research using visual methods. Qualitative assessment with a longitudinal approach is one approach that can reveal both the impact, and the limitations, of educational research on social change. I discuss these issues through grounded examples from an HIV educational project that used visual methodologies with a group of youths in Cape Town, South Africa over a number of years. Almost ten years later we interviewed three of theformer participants about what impact the work has had on their lives. Each has travelled a differentjourney and been faced with different constraints that have implications for the effectiveness of such work. Where are they now, and as adults, what do they have to say about the visual methodologies, memory, and social change?
Screening for Gestational Diabetes Mellitus: Is it Effective?
Anthony Shannon
Bioautomation , 2008,
Abstract: The purpose of the studies reported here was to examine the problem of the effectiveness of screening for gestational diabetes mellitus. It utilises meta-analysis to examine the conclusions of many studies in order to come up with a practical solution to the problem.
Computer-Mediated Corrective Feedback and the Development of L2 Grammar
Shannon Sauro
Language Learning and Technology , 2009,
Abstract: This paper reports on a study that investigated the impact of two types of computer-mediated corrective feedback on the development of adult learners’ L2 knowledge: (1) corrective feedback that reformulates the error in the form of recasts, and (2) corrective feedback that supplies the learner with metalinguistic information about the nature of the error. High intermediate and advanced adult learners of English (n=23) from an intact class at a Swedish university were randomly assigned to one of three conditions (two feedback conditions and one control) and were randomly paired with English native speakers. During task-based interaction via text-chat, the learners received focused corrective feedback on omission of the zero article with abstract noncount nouns (e.g., employment, global warming, culture). Computer-delivered pretests, posttests and delayed posttests of knowledge (acceptability judgments) measured learning outcomes. Results showed no significant advantage for either feedback type on immediate or sustained gains in target form knowledge, although the metalinguistic group showed significant immediate gains relative to the control condition.
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