Showing 61 - 80 results of 463 for search '"difference in difference"', query time: 0.10s Refine Results
  1. 61

    Confronting food insecurity through agricultural interventions: the Farmer FIRST program in India by Purushothaman Venkatesan, Nilakandan Sivaramane, Ch Srinivasa Rao, Ramanujam Venkattakumar, Sethuraman Sivakumar, Palanisamy Mooventhan, Rajarshi Roy Burman, Bommu Kalyani, Lalitha Navya Challa

    Published 2025-01-01
    “…Its impact in India was evaluated using the propensity score matching technique with difference-in-difference (D-i-D) measure to estimate the unbiased overall effect on food security. …”
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  2. 62

    Evaluating the impact, implementation experience and political economy of primary care networks in Kenya: protocol for a mixed methods study by Beatrice Amboko, Jacinta Nzinga, Benjamin Tsofa, Peter Mugo, Anita Musiega, Beryl Maritim, Ethan Wong, Caitlin Mazzilli, Wangari Ng’ang’a, Brittany Hagedorn, Gillian Turner, Anne Musuva, Felix Murira, Nirmala Ravishankar, Salim Hussein, Edwine Barasa

    Published 2025-01-01
    “…We shall undertake a preliminary cross-sectional analysis of the data at baseline from October to December 2023, followed by a difference-in-difference analysis at the endline from October to December 2024 to compare the outcome differences between the intervention and control counties over a 12-month period. …”
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  3. 63

    Analysis and Simulation of Engagement Process of Jaw Type Electromagnetic Clutch by Chuang Yang, Xiaoping Su, Dashuang Zhou, Qiqi Wu

    Published 2022-02-01
    “…Through Adams virtual prototype simulation method, the influence of different speed difference on clutch engagement time and impact force is obtained. …”
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  4. 64

    Encrypted and obfuscation WebShell detection for high-speed network traffic by Yihuai CAO, Wei CHEN, Fan ZHANG, Lifa WU

    Published 2022-08-01
    “…With the gradual development of traffic encryption and text obfuscation technologies, it is increasingly difficult to prevent complicated and malicious WebShell attack events in production environment using traditional detection methods based on text content and network flow features, especially for adversarial samples, variant samples and 0Day vulnerability samples.With the established network traffic collection environment, DPDK technology was used to capture network traffic in the high-speed network environment, and a dataset was marked with label.The dataset consisted of more than 24,000 normal traffic and more than 10,000 malicious WebShell traffic under different platforms, different languages, different tools, different encryption and obfuscation methods.Then Asynchronous traffic analysis system framework and lightweight log collection components were used to efficiently parse raw traffic.Expert knowledge was integrated to analyze HTTP data packets during the communication process of several popular WebShell management tools, and the effective feature set for encrypted and obfuscation WebShell was obtained.Support Vector Machine (SVM) algorithm was used to realize offline training and online detection of complicated WebShell malicious traffic based on the effective feature set.Meanwhile, improving the parameter search method with the genetic algorithm promoted the model training efficiency furthermore.The experimental results showed that the detection efficiency can be guaranteed based on the self-built WebShell attack traffic dataset.Besides, the detection model has a precision rate of 97.21% and a recall rate of 98.01%, and it performed well in the comparative experiments of adversarial WebShell attacks.It can be concluded from the results that the proposed method can significantly reduce the risk of WebShell attack, effectively supplement the existing security monitoring system, and be applied in real network environments.…”
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  5. 65

    Epidemiological Research Advances in Vascular Calcification in Diabetes by Haipeng Yao, Zhen Sun, Guangyao Zang, Lili Zhang, Lina Hou, Chen Shao, Zhongqun Wang

    Published 2021-01-01
    “…Because basic research on the clinical transformation of vascular calcification has yet to be conducted, this study systematically expounds on the risk factors for vascular calcification, vascular bed differences, sex differences, ethnic differences, diagnosis, severity assessments, and treatments to facilitate the identification of a new entry point for basic research and subsequent clinical transformation regarding vascular calcification and corresponding clinical evaluation strategies.…”
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  6. 66

    A Study on the Impact of Watershed Compensation Policies on Green Technology Innovation Ecosystems by Mo Li, Jianhua Zhu, Hua Dong

    Published 2025-01-01
    “…By employing a staggered difference-in-differences model and a synthetic control difference-in-differences model, the study investigates how watershed compensation policies influence green technology innovation ecosystems and delves into the underlying mechanisms that are responsible for these impacts. …”
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  7. 67

    Polyethylene Glycol Loxenatide (PEX-168) Reduces Body Weight and Blood Glucose in Simple Obese Mice by Yuting Wu, Zeyuan Guo, Junlu Wang, Yong Wang, Daorong Wang, Ying Li, Lihua Zhu, Xiaofang Sun

    Published 2021-01-01
    “…Compared with HF, the food intake of mice in the intervention groups decreased transiently, but there was no difference between different doses (P>0.05). The body weight of mice in the middle and high dose of PEX-168 intervention groups decreased significantly, and the differences were statistically significant (P<0.05). …”
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  8. 68

    Features of Malevolent Creativity and its Prevention in Adolescents in the Modern Socio-Political Context by N.V. Meshkova, S.N. Enikolopov, M.N. Bochkova, I.A. Meshkov

    Published 2024-12-01
    “…Hypotheses about differences in different contexts were tested: 1. in the levels of malevolent creativity (MC), 2. in the relationship MC with personal characteristics and between personal characteristics, 3. the presence of age-related characteristics of MC that do not differ in different socio-political conditions. …”
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  9. 69

    Facilitating or Hindering? The Impact of Low-Carbon Pilot Policies on Socio-Ecological Resilience in Resource-Based Cities by Yanran Peng, Zhong Wang, Yunhui Zhang, Wei Wang

    Published 2025-01-01
    “…Focusing on a panel of 114 resource-based cities in China, spanning from 2003 to 2022, this study employs a range of methodologies, including kernel density estimation, the Difference-in-Differences Model, Spatial Difference-in-Differences, Mediation Analysis, K-means Clustering, and Dual Machine Learning to assess the consequences of low-carbon pilot policies on socio-ecological resilience. …”
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  10. 70

    Variété inclusive et vérité morphologique : petite typologie des noms communs de personne abrégés by Daniel Elmiger

    Published 2022-12-01
    “…For some years now, abbreviations of French personal nouns have been multiplying in usage, and there is a rich variety of formal realisations (different cuts, different abbreviation signs, etc.). Several issues related to abbreviated common nouns are thematized and exemplified, in particular with the help of the designation « collaborateur(s) / collaboratrice(s) », which presents several morphological particularities. …”
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  11. 71

    East Germany Yesterday and Tomorrow by Dalia Marin

    Published 2021-04-01
    “…East Germans today vote differently, think differently and feel differently. Germany is a country with two souls.…”
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  12. 72

    Health inequalities for older people from minority ethnic groups receiving palliative care and end of life care: A scoping review protocol. by Narin Aker, Rachael Frost, Kate Walters, Emily West, Nathan Davies

    Published 2023-01-01
    “…However, it is unclear how these barriers and inequalities differ across different minority ethnic groups in different countries, and across different health conditions within these groups.…”
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  13. 73

    Une chaîne d’extraction pour l’enrichissement de bases de données archéologiques by Frédérique Mélanie-Becquet, Johan Ferguth, Michel Cartereau, Katherine Gruel, Thierry Poibeau

    Published 2020-06-01
    “…Knowledge transfer and meaning evolution phenomena were observed when thesauri were examined, since the same term can refer to different notions, and the same archaeological site may be categorised differently, at different points in time.…”
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  14. 74

    Narrow-Band Excitation of Hysteretic Systems by W.Q. Zhu, C.D. Huang, T.T. Soong

    Published 1997-01-01
    “…It is shown that the response is qualitatively different in different ranges of values of the ratio of the excitation central frequency to the natural frequency of the system. …”
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  15. 75

    Research and application of DRM technology in IPTV UHD video by Jingxin SHEN

    Published 2018-11-01
    “…The characteristics and differences of different DRM standards such as OMA,Microsoft,Intertrust,and ChinaDRM were compared.The requirements of DRM applications were presented.The key technologies of DRM were analyzed.Based on the high-tech set-top box commonly used in the industry,the architecture of DRM protection in IPTV high-definition video was designed.The hardware trust root of high security set-top box,remote download terminal key,double-encrypted content key and other mechanisms was put forward innovatively.Finally,the business process of decrypting DRM content was formulated and an implementation case was given.…”
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  16. 76

    Les morts qui comptent by Simon Varaine

    Published 2019-07-01
    “…Clearly, there is a need to bring to bear the differences between different media organizations in general theories of bias in international coverage.…”
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  17. 77

    Does energy-consuming right trading policy achieve a low-carbon transition of the energy structure? A quasi-natural experiment from China by Ye Chen, Bin Zhong, Bingnan Guo

    Published 2025-01-01
    “…IntroductionThe implementation of energy-consuming right trading (ECRT) policy in 2017 is a major measure to promote the construction of ecological civilization and green development, which also aligns with the global trend towards sustainable energy management and carbon emission reduction.MethodsBased on energy consumption data in China from 2010 to 2021, this paper utilizes the Difference-in-Differences (DID) method to assess the extent and process of the impact of energy consuming right trading policy on the low-carbon transition of the energy structure. …”
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  18. 78

    Pobreza objetiva e subjetiva no Brasil by Alexandre Gori Maia, Antonio Marcio Buainain

    Published 2011-11-01
    “…Analyses highlight spatial differences, both differences between States and differences between urban and rural areas. …”
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  19. 79

    A Guide to Citrus Nutritional Deficiency and Toxicity Identification by Stephen H. Futch, P.H. Tucker

    Published 2024-05-01
    “…Nutritional disorders, particularly those involving micronutrients like zinc, manganese, and iron, can manifest differently on different parts of the tree and may not always match descriptions in publications. …”
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  20. 80

    Effect of Sucrose Spray on some Phytochemical Characteristics of Stevia (Stevia rebaudiana Bertoni) under Field Conditions by Vahid Akbarpour, Hossein Aruei, Kambiz Mashayekhi, Majid Azizi Arani, Mohammad Ali Bahmanyar

    Published 2024-11-01
    “…The amount of flavonoid was significantly different between different concentrations of sucrose and also in different solvents. …”
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