安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Search | ResearchGate
Find the research you need | With 160+ million publication pages, 1+ million questions, and 25+ million researchers, this is where everyone can access science
- ResearchGate | Find and share research
Access 160+ million publication pages and connect with 25+ million researchers Join for free and gain visibility by uploading your research
- Pew Research Center
Pew Research Center
- Americans’ Social Media Use 2025 - Pew Research Center
To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U S adults from Feb 5 to June 18, 2025 SSRS conducted this National Public Opinion Reference Survey (NPORS) for the Center using address-based sampling and a multimode protocol that included web
- Search Researchers | ResearchGate
Discover the world's scientific knowledge | With 25+ million researchers, 1+ million questions, and 160+ million publication pages, this is where everyone can access science
- Login to ResearchGate
Login to ResearchGate to access millions of publications and connect with researchers worldwide
- (PDF) What is research?
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 and of itself
- US teens’ and adults’ views of gender identity | Pew Research Center
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 who is transgender or nonbinary The survey was conducted online with 1,391 U S teens from Sept 18 to Oct 10, 2024, through Ipsos Ipsos recruited the teens via their parents, who were part of its KnowledgePanel
|
|
|