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调查设计
Our decades of experience 和 innovative strategies in sampling, 多模式数据采集, 和 instrument development ensure high-quality, 具有成本效益的, 和 representative data collection for surveys of any size 和 scope.
概述
趣赢平台 has 60 years of experience designing surveys of all sizes, 小型定性研究, to the largest national household 和 school-based studies, 到美国.S. 多国研究的组成部分. We bring forward practical knowledge with every application, 平衡经验与创新, applying the latest 多模式数据采集 strategies, 面试技巧, 和 data management 和 harmonization methods to our studies. Our team includes experts in 主题, 统计数据, 调查方法, 和 programming who leverage our IT 和 data collection infrastructure to help clients achieve their goals, 无论项目规模或范围如何.
我们的专业知识
调查方法
Our world-renowned statisticians 和 survey methodologists, including nine Senior Statistical Fellows 和 eight Fellows of the American Statistical Association, bring rigorous research capabilities to design high-quality, 具有成本效益的, representative data collections for 趣赢平台 clients.
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我们的成本效益, tailored sampling methods are grounded in probability-based designs 和 best practices. 对于一般人群样本, designs include address-based 和 multistage sampling, as well as targeted methods such as small group sampling 和 network sampling. For surveys of specific 人口 such as Medicare recipients, 医疗保健提供者或学龄儿童, we sample from population list frames using combinations of stratified, 多级, 平衡和系统的抽样. 最小化抽样偏差, we use fully reproducible r和om sampling at all selection steps, 和 ensure that the frames are representative of the population. Our designs achieve the sample sizes 和 precision levels required by the study objectives 和 include adaptive methods to address obstacles to equity.
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趣赢平台 has extensive experience designing 和 fielding cross-sectional 和 longitudinal studies, including some of most complex 和 longest-term civilian population studies conducted to date. These studies represent a variety of study designs, 数据收集方式, 主题, 人口, respondent incentive schemes 和 contact protocols, 数据收集间隔. Scalable corporate based systems that support management of a range of study designs, 从简单到非常复杂, ensure our teams can focus on quality implementation that promotes equity 和 project specific goals throughout the lifecycle. Our cross-sectional designs allow researchers to look at characteristics in a population. Our longitudinal study design helps clients explore trends, 研究干预措施, 或者跟踪态度或行为的变化.
管理系统
趣赢平台’s flexible survey management system supports scheduling; communications with study participants via email 和 text/SMS messages; management of incentives, 和 production monitoring including response rates, detailed response status 和 the flow of cases across more than one mode of collection, QC, 和报告. The system design allows for tailored protocol implementation across each of these functions. Such systems help us monitor activities in real-time via dashboards 和 make data-informed adjustments as needed. Our dashboards provide visibility to clients with real-time information on study progress, provide statisticians with a way to monitor sampling rates, 和 provides the data needed to tweak study contact protocols to address observed participation patterns.
仪器发展
趣赢平台 brings unmatched expertise in survey instrument development, including qualitative research such as focus groups, 认知采访, 和 usability testing; questionnaire design 和 content development for multiple 数据收集方式; 和 advanced instrument programming capabilities.
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调查方法学家, 主题 experts 和 operations specialists work together to carefully craft our survey instruments to ensure that questions are clear, 无偏见的, 并且与研究目标一致. Our team is experienced in developing surveys for special 人口, 涉及敏感话题, 和 incorporating multicultural 和 multilingual designs. Our facilities include an onsite laboratory for conducting focus groups, 认知访谈和可用性测试. 另外, our team uses modern approaches for virtual testing of survey instruments 和 questionnaires, building greater equity into our pretesting 和 question development processes.
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Our 多模式数据采集 strategies maximize survey response 和 data quality. 我们选择最优模式, 模式组合, 和 data collection protocols to fit the study population 和 research goals to minimize bias, 同时控制成本. Our technological solutions allow us to effortlessly design, track, 和 analyze multimode research. 了解更多有关 多模式调查设计的未来 or 趣赢平台’s data collection methods 和 capabilities.
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趣赢平台 uses leading commercial 和 custom survey software that seamlessly integrates with powerful survey data management, 仪表板报表, 和 data delivery platforms to provide end-to-end solutions to our clients. Our survey software tools 和 platforms easily scale to accommodate small- to large-scale data collection efforts 和 support all 数据收集方式. Learn more about 趣赢平台’s key survey platforms, 布莱斯 和 调查建设者.
数据质量
Our clients depend on high-quality data to draw valid conclusions about the population or issue being studied, 并为研究议程提供信息, 课程, 政策, 和国家法规, 州或地方层面. Our comprehensive approach builds data quality at every stage of development 和 processing, 和 within every stage 和 mode of data collection.
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We collect 和 analyze data on the survey process 和 data itself to monitor quality 和 identify areas for improvement throughout the lifecyle of a project. This allows us to identify 和 address issues as they arise, rather than waiting until data collection is complete.
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We systematically compare the characteristics of respondents to nonrespondents to identify possible biases in our results so that adjustments can be made to address them. 在适当的时候, we supplement this with comparisons to external information such as results of other comparable surveys or other data sources.
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官监控 plays a crucial role in minimizing errors 和 biases. This involves ensuring that interviewers are adhering to the study protocol, asking questions accurately 和 consistently, 和 collecting high-quality data from the respondents. We employ a variety of monitoring techniques to achieve this, ranging from basic observation 和 quality control procedures to cutting-edge machine learning (ML) 和 natural language processing (NLP) tools. Our custom computer-assisted recorded interviewing (CARI) system enables near real time assessment of both interviewer 和 question performance, while our custom EAGLE platform enables 100% of field monitoring at scale. 了解更多关于这些和我们的其他 研究支持工具.
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我们使用多种方法, 包括预试, 反应率分析, 检查一致性, 数据清理, 统计分析, 和 post-survey validation to ensure that our survey results are 可靠的 和 accurate.
Integration of Survey Data with Other Data Sources
趣赢平台是数据集成领域的领导者, with extensive expertise in using survey data together with other data sets, 比如行政管理, 电子健康记录, 或者环境数据, to conduct statistically representative analyses. Our team of data experts uses advanced tools 和 techniques to ensure that the integrated data sets are accurate, 可靠的, 和安全. 通过集成来自多个来源的数据, we help clients leverage existing data sets to gain a more comprehensive underst和ing of their research questions 和 offer insights that would be impossible to obtain with survey data alone.
项目
继续阅读
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National Center for 教育 Statistics (NCES)
What does the “Nation’s Report Card” tell us about how American children are learning? -
National Center for 教育 Statistics (NCES)
How do you compare literacy skills of adults from around the world?
的见解
与我们的专家深入探讨
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专家访谈
Leading with Diverse Ideas: Edwards Shares Vision for JSSAM2024年4月
With 4 decades of designing 和 managing large, 复杂的调查, 趣赢平台’s 布拉德•爱德华兹 has decided to add another leadership position to his resume by becoming one…
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DOILink for: Pathogenesis of histologic variations of appendiceal mucinous neoplasms -
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