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Meta-analysis is the quantitative, scientific synthesis of research results. Since the term and modern approaches to research synthesis were first introduced in the 1970s, meta-analysis has had a ...

Pew Research Center’s Data Labs team uses computational methods to complement and expand on the Center’s existing research agenda. The team collects text, audiovisual and behavioral datasets; uses ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Many of Pew Research Center’s survey analyses show relationships between two ...

The Researcher agent is tailored to simplify and optimize intricate, multi-step research processes. By integrating OpenAI’s advanced research models into Microsoft 365 Copilot, this tool enables users ...

Discover how Fourier Analysis breaks down complex time series data into simpler components to identify trends and patterns, despite its limitations in stock forecasting.

James McWhinney is a long-tenured Investopedia contributor and an expert on personal finance and investing. With over 25 years of experience as a full-time communications professional, James writes ...

The language used to describe conflicts naturally reflects assumptions about how different forms of violence emerge and develop.

The U.S. stock market has performed admirably so far in 2025. Stocks, as measured by the S&P 500, have appreciated more than 10% as of Sept. 4. The Dow Jones Industrial Average and the Nasdaq have ...

Institutional investors face complex decisions—where to allocate capital, which managers to trust, how to weather volatility. These choices can’t rely on instinct alone. They require data, structure, ...