Negative / Null Result ReportOpen accessComputer Science
Xirui Li, Ming Li, Tianyi Zhou · 2026 · arXiv
Reinforcement learning (RL) with verifiable rewards has become a standard post-training stage for boosting visual reasoning in vision-language models, yet it remains unclear what capabilities RL actually improves compared with supervised fine-tuning as cold-start initialization (IN). End-to-end benchmark gains conflate multiple factors, making it difficult to attribute improvements to specific skills. To bridge the gap, we propose a Frankenstein-style analysis framework including: (i) functional localization via causal probing; (ii) update characterization via parameter comparison; and (iii) t
Negative / Null Result ReportOpen accessBusiness
Dewa Nyoman Benni Kusyana, Putu Sri Hartati, Ida Ayu Widani Sugianingrat et al. · 2024 · Jurnal Ekonomi dan Bisnis
This research was conducted to determine the influence of organizational culture on business performance, mediated by innovation and moderated by catur purusa artha. The subjects of this research were the cooperative heads or managers of 503 cooperative units in Denpasar City. The Yamane formula was used to determine the sample size, which was determined to be 83 cooperative heads/managers using a proportionate random sampling technique. Data analysis was carried out using structural equation modelling – partial least squares (SEM-PLS). Data analysis using PLS was carried out with two measurem
View details →DOI: 10.24914/jeb.v27i2.10287 Negative / Null Result ReportOpen accessEconomics, Econometrics and Finance
Mohammad Hassan Shakil, Arne Johan Pollestad, Khine Kyaw et al. · 2025 · arXiv
With European Union initiatives mandating gender quotas on corporate boards, a key question arises: Is greater board gender diversity (BGD) associated with better emissions performance (EP)? To answer this question, we examine the influence of BGD on EP across a sample of European firms from 2016 to 2022. Using panel regressions, advanced machine learning algorithms, and explainable AI, we reveal a non-linear relationship. Specifically, EP improves with BGD up to an optimal level of approximately 35 %, beyond which further increases in BGD yield no additional improvement in EP. A minimum BGD t
Negative / Null Result ReportOpen accessMedicine (General)
Mohamed Ibrahim Fathallah Abdelhay, Mohamed Hussein Elgendy, Yasser Ramzy Lasheen · 2017 · International Journal of Physiotherapy
Background: Postural hypnosis can lead to cervical pain or bad cosmetic appearance.There is a lack in the literature supporting the efficacy of spinal mobilization techniques in restoring normal thoracic curvature.Mulligan and Maitland's mobilization were used to improve range of motion and referred pain not to restore normal kyphotic angle. The purpose: this study was conducted to compare the efficacy of Mulligan and Maitland spinal mobilization on a kyphotic angle in postural kyphosis. Subjects: seventy-five male subjects with postural kyphosis their age (17-21) years were included in the st
View details →DOI: 10.15621/ijphy/2017/v4i3/149069 Negative / Null Result ReportOpen accessBusiness
Imam Sumardjoko · 2016 · Jurnal Ekonomi dan Bisnis Airlangga
The issue of inter-regional development imbalances and fiscal disparities into the current fiscal decentralization issues. The toughest challenge in building fiscal decentralization not only gives funds to local governments, but creating impact of improving the quality of public services and economic growth. Transfer to the area has increased every year. However, this increase has not been maximized to reduce poverty, equitable distribution of infrastructure, fiscal gap, and competitive regional economy. Research funds for fiscal decentralization in some countries have done long before the imp
View details →DOI: 10.20473/jeba.v26i12016.24-35 Negative / Null Result ReportOpen accessMathematics
Ange Wang, Hongzhi Guan, Yan Han et al. · 2021 · Discrete Dynamics in Nature and Society
The shared parking scheme improves the utilization rate of existing parking resources and contributes to the sustainable development of cities, but many private parking spaces that are not included in the shared parking scheme have a low utilization rate in China. In order to better promote the shared parking scheme, it is necessary to study the intention of the owners of private parking spaces to share their parking spaces. Therefore, this paper used the Unified Theory of Acceptance and Use of Technology (UTAUT) and Benefit-Risk Analysis Model (BRA) as the combined theoretical framework (C-UT
View details →DOI: 10.1155/2021/9283686 Negative / Null Result Report
Rebecca L Rivera, Melissa K Maulding, Angela R Abbott et al. · 2016 · The FASEB Journal
Objective To determine the relationship of rural and urban county household status to long‐term food security among households with children in Indiana after a Supplemental Nutrition Assistance Program‐Education (SNAP‐Ed) intervention.…
View details →DOI: 10.1096/fasebj.30.1_supplement.674.26 Negative / Null Result ReportOpen accessPublic aspects of medicine
Chabot Isabelle, Potvin Louise, Moisan Jocelyne et al. · 2006 · BMC Health Services Research
Abstract Background Drug utilization review (DUR) programs are being conducted in Canadian hospitals with the aim of improving the appropriateness of prescriptions. However, there is little evidence of their effectiveness. The objective of this study was to assess the impact of both a retrospective and a concurrent DUR programs on the quality of in-hospital prescribing. Methods We conducted an interrupted time series quasi-experimental study. Using explicit criteria for quality of prescribing, the natural history of cisapride prescription was established retrospectively in three university-aff
View details →DOI: 10.1186/1472-6963-6-33 Negative / Null Result ReportOpen accessComputer Science
Roland S. Zimmermann, Thomas Klein, Wieland Brendel · 2023 · arXiv
In light of the recent widespread adoption of AI systems, understanding the internal information processing of neural networks has become increasingly critical. Most recently, machine vision has seen remarkable progress by scaling neural networks to unprecedented levels in dataset and model size. We here ask whether this extraordinary increase in scale also positively impacts the field of mechanistic interpretability. In other words, has our understanding of the inner workings of scaled neural networks improved as well? We use a psychophysical paradigm to quantify one form of mechanistic inter
Negative / Null Result ReportOpen accessTherapeutics. Pharmacology
Tanja Elnaz Hassanzadeh, Tanja Elnaz Hassanzadeh, Carina Hohmann et al. · 2024 · Frontiers in Pharmacology
Polypharmacy is common among patients with antithrombotic medication, giving rise to concerns about Drug-Related Problems (DRPs). Therefore, these patients would benefit from a Medication Review (MR) along with pharmacist counselling to reduce the risks accompanying polymedication. This prospective study presents a concept for MRs that are applicable in German community pharmacies and can efficiently support pharmacist counselling and improve the safety of drug therapy. As this is a major challenge in everyday pharmacy practice, we used a Decision Support System (DSS) to evaluate its ability t
View details →DOI: 10.3389/fphar.2024.1194201 Negative / Null Result Report
M Erickson, N Tomassoni, R Sun et al. · 2026 · Europace
Abstract Background/Introduction Bachmann bundle pacing (BBP) has emerged as a favorable alternative to traditional right atrial appendage (RAA) pacing, offering benefits such as reduced atrial fibrillation and improved diastolic function.…
View details →DOI: 10.1093/europace/euag105.733 Negative / Null Result ReportOpen accessMedicine
Amin Ebneshahidi, Mojtaba Akbari, Masood Mohseni · 2013 · Advanced Biomedical Research
Introduction: Haloperidol has an established role in nausea and vomiting prophylaxis and possible effects on multiple aspects of postoperative recovery including pain and sedation. The purpose of this study was to evaluate the effects of low-dose intraoperative intravenous haloperidol on quality of recovery (QoR) and pain control after general anesthesia and surgery. Methods: Ninety eight American Society of Anesthesiologists (ASA) physical status I-II patients undergoing elective general, gynecologic or orthopedic surgery under general anesthesia were enrolled. Participants were randomly allo
View details →DOI: 10.4103/2277-9175.122501 Negative / Null Result ReportOpen accessAnesthesiology
Nitika Vyas, Dinesh K Sahu, Reena Parampill · 2010 · Journal of Anaesthesiology Clinical Pharmacology
Background: Sufentanil added to intrathecal bupivacaine for cesarean section has shown to improve intraoperative and postoperative analgesia with no adverse effects on the mother and neonate. We compared the effects of intrathecal sufentanil 5 mcg and placebo when administered with hyperbaric bupivacaine 0.5% 11 mg for cesarean section. Patients and Methods: Sixty parturients of ASA grading I and II of age between 18 to 45 years scheduled for elective cesarean section under subarachnoid block were randomly allocated into one of the two groups to receive 5μg sufentanil + 0.2ml sterile, preserva
Negative / Null Result ReportOpen accessMedicine
Sayed Reza Eshaghi, Armindokht Shahsanai, Maryam Mellat Ardakani · 2011 · مجله دانشکده پزشکی اصفهان
Background: Improvement of medical care and decreasing of mortality, have lead to an increase in ageing in Iranian population. The main goal of Active ageing is improving the quality of life. Physical activity is one of the factors that is important to achieve a good quality of life. The aim of this study was to evaluate the physical activity of the elderly in Isfahan. Methods: This cross sectional study was carried out on 350 old residents of Isfahan, Iran between the years 2009-2010. Multi stage cluster sampling technique was used to collect the sample population. Rapid assessment of physica
Negative / Null Result ReportOpen accessPhysics
B. Megyeri, A. Lampis, G. Harvie et al. · 2017 · arXiv
We discuss the prospects for enhancing absorption and scattering of light from a weakly coupled atom in a high-finesse optical cavity by adding a medium with large, positive group index of refraction. The slow-light effect is known to narrow the cavity transmission spectrum and increase the photon lifetime, but the quality factor of the cavity may not be increased in a metrologically useful sense. Specifically, detection of the weakly coupled atom through either cavity ringdown measurements or the Purcell effect fails to improve with the addition of material slow light. A single-atom model of
Negative / Null Result Report
Muhammad Dawood Mian, Saadullah Jan Khan, Rehana Rani et al. · 2026 · Access Microbiology
Rapid and reliable identification of bacteria is essential in clinical and environmental microbiology. Gram staining remains a widely used method for preliminary classification; however, it may require additional steps and can be difficult…
View details →DOI: 10.1099/acmi.0.000965.v3 Negative / Null Result Report
Mary Cushman, Suzanne E Judd, Virginia J Howard et al. · 2011 · Circulation
Background. The AHA 2020 Goal includes improving cardiovascular health, defined using a metric consisting of 7 health factors, Life's Simple 7. A central concept of the goal is that small improvements in behavior / lifestyle factors at the…
View details →DOI: 10.1161/circ.124.suppl_21.a17917 Negative / Null Result ReportOpen accessEconomic growth, development, planning
Adhisty Mohammad Khariza, Arintoko Arintoko, Suprapto Suprapto · 2020 · Eko-Regional
Small-medium enterprises (SMEs) are the main pillar of the Indonesian economy. Based on 2016’s Economic Census, most businesses in Indonesia are SMEs, while SMEs absorb the majority of the workforce. The empowerment of SMEs is one way to improve the economy. To empower the SMEs sector, the Indonesian government launched the Kredit Usaha Rakyat (KUR) since 2007. The lasts policy is the provision of the mild interest rate for KUR since 2016. The hope is that with a mild interest rate, SMEs can get affordable financing access so they can be the driving force of the economy. However, credit demand
View details →DOI: 10.20884/1.erjpe.2020.15.2.1582 Negative / Null Result ReportOpen accessComputer Science
Thomas Vogel, Chinh Tran, Lars Grunske · 2019 · arXiv
In search-based software engineering we often use popular heuristics with default configurations, which typically lead to suboptimal results, or we perform experiments to identify configurations on a trial-and-error basis, which may lead to better results for a specific problem. To obtain better results while avoiding trial-and-error experiments, a fitness landscape analysis is helpful in understanding the search problem, and making an informed decision about the heuristics. In this paper, we investigate the search problem of test suite generation for mobile applications (apps) using SAPIENZ w
Negative / Null Result ReportOpen accessBusiness
Rina Trisnawati, Nono Wibisono · 2022 · Jurnal Bisnis dan Kewirausahaan
Sumedang Regency is an area that has various types of tourist attractions but tourist visits to Sumedang fluctuate every year. One of the attractions in Sumedang is Kampung Karuhun which still needs improvement in several aspects. This study aims to identify the influence of the relationship of service quality, tourism product availability, destination image, consumer satisfaction and destination loyalty in Kampung Karuhun Sumedang. The research method used is a quantitative approach using a survey tool in the form of a questionnaire. This study collected data as many as 355 respondents. The a
View details →DOI: 10.31940/jbk.v18i3.238-247 Negative / Null Result ReportOpen accessComputer Science
Shufan Wang, Yixiao Song, Andrew Drozdov et al. · 2023 · arXiv
In this paper, we study the generation quality of interpolation-based retrieval-augmented language models (LMs). These methods, best exemplified by the KNN-LM, interpolate the LM's predicted distribution of the next word with a distribution formed from the most relevant retrievals for a given prefix. While the KNN-LM and related methods yield impressive decreases in perplexity, we discover that they do not exhibit corresponding improvements in open-ended generation quality, as measured by both automatic evaluation metrics (e.g., MAUVE) and human evaluations. Digging deeper, we find that interp
Negative / Null Result ReportOpen accessMedicine
Sirous Nazari pirdoosti, Vahid Valipour dehnou, Ehsan Gharamanlou · 2019 · Majallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Īlām
Introduction: Transcranial direct current stimulation (tDCS) is a non-invasive technique used to modify the activity of the cortex of the brain. This form of current is capable of inducing changes in the electrical activity inside and outside of the neurons, which leads to a change in the resting membrane potential and thus improves the efficiency of the neural synapse. Therefore, the aim of this study was to investigate the effect of tDCS over motor cortex on strength and endurance performance of healthy collegiate subjects. Materials & Methods: In total, 10 young and healthy male subjects (a
Negative / Null Result Report
Ainun Oktavia Sari, Rahayu Sulistyowati, Ita Prihantika · 2020 · Administrativa: Jurnal Birokrasi, Kebijakan dan Pelayanan Publik
The Conditional Cash Transfer (CCT) is a conditional social cash transfer program that provides assistance to Very Poor Households (RTSM) appointed as participants in the Conditional Cash Transfer program which is related to improving the…
View details →DOI: 10.23960/administrativa.v2i3.51 Negative / Null Result ReportOpen accessAgriculture
Óscar Chichongue, Johan J. van Tol, Gert M. Ceronio et al. · 2022 · Agronomy
Sub-Saharan Africa (SSA) agriculture is characterized by dependence on erratic rainfall, inadequate conservation practices, and a decline in soil fertility resulting in low crop productivity. Therefore, conservation agriculture (CA) has been proposed as an alternative to improve soil fertility and productivity. Hence the aim was to investigate the effects of tillage systems, fertilization, and cropping patterns on selected soil chemical properties (pH, organic carbon, total nitrogen, extractable phosphorus, exchangeable cations, and cation exchange capacity) and identify which cropping pattern
View details →DOI: 10.3390/agronomy12071534 Negative / Null Result ReportOpen accessComputer Science
Niek Beckers, Edwin van Asseldonk, Herman van der Kooij · 2020 · arXiv
Haptic interaction between two humans, for example, a physiotherapist assisting a patient regaining the ability to grasp a cup, likely facilitates motor skill acquisition. Haptic human-human interaction has been shown to enhance individual performance improvement in a tracking task with a visuomotor rotation perturbation. These results are remarkable given that haptically assisting or guiding an individual rarely benefits their individual improvement when the assistance is removed. We, therefore, replicated a study that reported that haptic interaction between humans was beneficial for individ
Negative / Null Result ReportOpen accessEducation (General)
Rahmah Johar, Rahmah Johar, M. Ikhsan et al. · 2025 · Frontiers in Education
Mathematical communication skills are essential for helping students grasp mathematical concepts. Fostering students’ knowledge of Islamic values can also encourage them to relate mathematical topics to real-world situations, particularly in worship, enhancing their mathematical communication. Therefore, an innovative teaching approach is crucial to improving students’ mathematical communication and understanding of Islamic values. This study investigates the integration of these concepts within mathematics through the contextualized framework of Qurban. The study explores how an interactive w
View details →DOI: 10.3389/feduc.2025.1633056 Negative / Null Result ReportOpen accessComputer Science
Runtian Zhai, Chen Dan, Zico Kolter et al. · 2022 · arXiv
Empirical risk minimization (ERM) is known in practice to be non-robust to distributional shift where the training and the test distributions are different. A suite of approaches, such as importance weighting, and variants of distributionally robust optimization (DRO), have been proposed to solve this problem. But a line of recent work has empirically shown that these approaches do not significantly improve over ERM in real applications with distribution shift. The goal of this work is to obtain a comprehensive theoretical understanding of this intriguing phenomenon. We first posit the class o
Negative / Null Result ReportOpen accessMedical physics. Medical radiology. Nuclear medicine
Armin D. Tavakkoli, BA, Megan A. Clark, BE, Alireza Kheirollah, PhD et al. · 2024 · Advances in Radiation Oncology
Purpose: Ultra High Dose-Rate (UHDR) radiation has been reported to spare normal tissue, compared with Conventional Dose-Rate (CDR) radiation. However, important work remains to be done to improve the reproducibility of the FLASH effect. A better understanding of the biologic factors that modulate the FLASH effect may shed light on the mechanism of FLASH sparing. Here, we evaluated whether sex and/or the use of 100% oxygen as a carrier gas during irradiation contribute to the variability of the FLASH effect. Methods and Materials: C57BL/6 mice (24 male, 24 female) were anesthetized using isofl
View details →DOI: 10.1016/j.adro.2024.101492 Negative / Null Result ReportOpen accessGeriatrics
Inderpal Singh, Chris Edwards, Anser Anwar · 2018 · Geriatrics
Single-room ward design has previously been associated with increased risk of inpatient falls and adverse outcomes. However, following quality initiatives, the incidence of inpatient falls has shown a sustained reduction. Benefits have also been observed in the reduction of hip fractures. However, one-year mortality trends have not been reported. The aim of this observational study is to report the trends in one-year mortality rates before and after implementing quality-improvement initiatives to prevent inpatient falls over the last 5 years (2012–2016). This retrospective observational study
View details →DOI: 10.3390/geriatrics3010009 Negative / Null Result ReportOpen accessMathematics
Mark Rubin · 2020 · arXiv
Preregistration entails researchers registering their planned research hypotheses, methods, and analyses in a time-stamped document before they undertake their data collection and analyses. This document is then made available with the published research report to allow readers to identify discrepancies between what the researchers originally planned to do and what they actually ended up doing. This historical transparency is supposed to facilitate judgments about the credibility of the research findings. The present article provides a critical review of 17 of the reasons behind this argument.
