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Aaron Rae Stephens(Aaron Rae Stephens),Min-Hyo Kang(Min-Hyo Kang),Charles Arthur Robb(Charles Arthur Robb) 동아시아무역학회 2022 Journal of East Asian Trade(JEAT) Vol.4 No.1
Purpose – Supply chain disruptions have dominated business planning and performance since the beginning of the COVID-19 pandemic and continue to mar organizations through 2022. This research carefully examines the role of organizational culture in developing both supply chain resilience and market performance amid supply chain disruptions. Design/Methodology/Approach – An empirical study of over 200 South Korean firms were tested. The model is tested using PLS-SEM; furthermore, mediation effects enrich the quality of the findings. This research is framed utilizing the stimulus-organism-response model; thus, emphasizing the highly dynamic business environment that has ensued. Findings – The research confirms that supply chain disruption orientation, a strategic orientation and a proxy for a well-prepared organizational culture, leads to both supply chain resilience and market performance. Results also confirm that resilience reinforces market performance throughout the supply chain. Study contributions suggest that firms should consider themselves as organisms within a highly dynamic environment and develop a highly prepared organizational culture in order to bolster supply chain resilience and market performance. Research Implications – Scholars can further employ the stimulus-organism-response model in firm-level research and further study the link between organizational culture and supply chain performance amid COVID-19. Finally, the results of this research provide guidelines for organizations when they decide on operational procedures during the pandemic, as they aim to produce greater returns for their ventures.
Aaron Rae Stephens(Aaron Rae Stephens ),Charles Arthur Robb(Charles Arthur Robb ),Minhyo Kang(Minhyo Kang) The International Academy of Global Business and T 2022 The International Academy of Global Business and T Vol.18 No.5
Purpose - Supply chain disruptions have plagued firms since the advent of COVID-19 lockdowns. As a result, supply chains remain unstable and dynamic. To better understand supply chain management during periods of disruption, this study compares the impact of relational capital on ambidextrous innovation and firm performance between Korean and U.S firms. Design/Methodology/Approach - This study includes a sample of 200 Korean firms and 227 U.S firms. PLS-SEM is the statistical tool utilized with MICOM multigroup analysis. Findings - Korean and U.S. firms were found to be different on three different pathways indicating that open innovation and investment in supplier relations improve supply chain disruption orientation, exploration innovation, and firm performance Research Implications - Relationship capital can significantly improve supply chain management, innovation, and firm performance. Exploitation innovation is better for enhancing supply chain management in the short-term amid interruptions.
A Note on Trans-historical Melodic Originality Trends in Classical Music
Aaron Kozbelt,Daniel Meredith 대한사고개발학회 2010 The International Journal of Creativity & Problem Vol.20 No.2
The originality of a musical melody can be operationalized by computing transition probabilities between adjacent notes, relative to the transition base rates in a population of melodies. Previous research has examined how melodic originality, so defined, varied trans-historically between 1500 and 1950 – with the finding of a largely linear increase, though with a temporary drop around 1800. Several analytical issues with such data are identified, including the highly skewed distribution of composer output, intrinsically diminished originality among prolific but stylistically consistent composers, and the complex and inconsistent nesting of possible control variables. A trans-historical analysis of the melodic originality of 16,296 musical themes, using controls like number of composers and unevenness of output across composers in different time intervals, revealed substantial effects on average melodic originality and reduced the subsequent effects of calendar year. In a stepwise regression, calendar year quadratic and number of composers active in each interval each positively predicted average melodic originality. Implications for trans-historical theories of creativity are discussed.
The Universal Tendency for Renewal among Grammatical Expressions for Anterior and Related Aspect
Aaron Smith 세종대학교 언어연구소 2006 Journal of Universal Language Vol.7 No.2
This study investigates the synchronic distribution of grammatical expressions (grams) along the path of grammaticization for anterior and diachronically related senses. I use the synchronic distribution of these grams as a means of inferring their diachronic behavior, particularly in terms of renewal, defined as the refilling of a given semantic domain in the on-going process of grammaticization. The data support the hypothesis that there is a robust tendency for renewal among grams expressing anterior and related senses and therefore suggests certain stability in the shape of tense/aspect systems in the languages of the world, at least for this set of grams.
Combined measurement and QCD analysis of the inclusive e ± p scattering cross sections at HERA
Aaron, F. D.,Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Al-daya Martin, M.,Alexa, C.,Andreev, V.,Antonelli, S.,Antonioli, P.,Antonov, A.,Antunovic, B.,Arneodo, M.,Aushev, V.,Bachynska, O.,Backovic Springer-Verlag 2010 Journal of high energy physics Vol.2010 No.1
Aaron M. Potretzke,Alyssa M. Park,Tyler M. Bauman,Jeffrey A. Larson,Joel M. Vetter,Brian M. Benway,Alana C. Desai 대한비뇨의학회 2016 Investigative and Clinical Urology Vol.57 No.6
Purpose: The goal of this study was to compare the rate of systemic inflammatory response syndrome (SIRS) in high-risk patients undergoing percutaneous nephrolithotomy (PCNL) between patients who received 7, 2, or 0 days of preoperative antibiotics. Materials and Methods: We retrospectively reviewed a series of consecutive PCNLs performed at our institution. Patients with infected preoperative urine cultures were excluded. High-risk patients were defined as those with a history of previous urinary tract infection (UTI), hydronephrosis, or stone size ≥2 cm. Patients were treated with 7, 2, or 0 days of preoperative antibiotic prophylaxis prior to PCNL. All patients received a single preoperative dose of antibiotics within 60 minutes of the start of surgery. Fisher exact test was used to compare the rate of SIRS by preoperative antibiotic length. Results: Of the 292 patients identified, 138 (47.3%) had sterile urine and met high-risk criteria, of which 27 (19.6%), 39 (28.3%), and 72 (52.2%) received 7, 2, and 0 days of preoperative antibiotics, respectively. The 3 groups were similar in age, sex, and duration of surgery (p>0.05). There was no difference in the rate of SIRS between the groups, with 1 of 27 (3.7%), 2 of 39 (5.1%) and 3 of 72 patients (4.2%) meeting criteria in the 7, 2, and 0 days antibiotic groups (p=~1). Conclusions: Extended preoperative antibiotic prophylaxis was not found to reduce the risk of SIRS after PCNL in our institutional experience of high-risk patients. For these patients, a single preoperative dose of antibiotics is sufficient.
Aaron J. Buckland,Bryan M. Beaubrun,Evan Isaacs,John Moon,Peter Zhou,Sam Horn,Gregory Poorman,Jared C. Tishelman,Louis M. Day,Thomas J. Errico,Peter G. Passias,Themistocles Protopsaltis 대한척추외과학회 2018 Asian Spine Journal Vol.12 No.1
Study Design: Retrospective radiological review. Purpose: To quantify the effect of sitting vs supine lumbar spine magnetic resonance imaging (MRI) and change in anterior displacement of the psoas muscle from L1–L2 to L4–L5 discs. Overview of Literature: Controversy exists in determining patient suitability for lateral lumbar interbody fusion (LLIF) based on psoas morphology. The effect of posture on psoas morphology has not previously been studied; however, lumbar MRI may be performed in sitting or supine positions. Methods: A retrospective review of a single-spine practice over 6 months was performed, identifying patients aged between 18–90 years with degenerative spinal pathologies and lumbar MRIs were evaluated. Previous lumbar fusion, scoliosis, neuromuscular disease, skeletal immaturity, or intrinsic abnormalities of the psoas muscle were excluded. The anteroposterior (AP) dimension of the psoas muscle and intervertebral disc were measured at each intervertebral disc from L1–L2 to L4–L5, and the AP psoas:disc ratio calculated. The morphology was compared between patients undergoing sitting and/or supine MRI. Results: Two hundred and nine patients were identified with supine-, and 60 patients with sitting-MRIs, of which 13 patients had undergone both sitting and supine MRIs (BOTH group). A propensity score match (PSM) was performed for patients undergoing either supine or sitting MRI to match for age, BMI, and gender to produce two groups of 43 patients. In the BOTH and PSM group, sitting MRI displayed significantly higher AP psoas:disc ratio compared with supine MRI at all intervertebral levels except L1–L2. The largest difference observed was a mean 32%–37% increase in sitting AP psoas:disc ratio at the L4–L5 disc in sitting compared to supine in the BOTH group (range, 0%–137%). Conclusions: The psoas muscle and the lumbar plexus become anteriorly displaced in sitting MRIs, with a greater effect noted at caudal intervertebral discs. This may have implications in selecting suitability for LLIF, and intra-operative patient positioning.