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2011年6月2日 · This research article explores the essence, functions, and process of research, with a specific focus on scientific research. In addition, it delves into the characteristics of scientific research ...

Media & Society Medicine & Health Methodological Research Middle Class Migration Issues Military & Veterans Military & Veterans Millennials Millennials & Other Age Groups Misinformation …

2025年1月24日 · Pew Research Center asked these questions as part of a larger survey of U.S. teens. We sought to better understand teens’ views of gender identity and whether they know someone …

2022年12月27日 · Research has to have an element of discovering something new, of creating knowledge. While a literature search is one important part of a research pro ject, it isn’t research in …

2025年4月3日 · The conferences covered topics including research and development, application, business, policy, social science, identity and ethics. Center researchers used public information and …

2025年12月15日 · Detailed information on Pew Research Center international survey meethodology, such as mode of interview, sampling design, margin of error, and design effect, for each country we …

Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.

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