For decades, U.S. investors have exhibited a pronounced home-country bias. That bias shows up in portfolios that overweight U.S. equities relative to their share of global market capitalization.
About 70% of U.S. adults say they have used an AI tool or chatbot for any purpose, while one in four (25%) say they have used it to gather healthcare information or advice. This aligns with what other ...
One in four U.S. adults - the equivalent of over 66 million Americans - report having used artificial intelligence tools or ...
One in four U.S. adults—the equivalent of over 66 million Americans—report having used artificial intelligence tools or ...
A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...
AI can’t be fully trusted, yet businesses depend on it. Explore the risks of bias, hallucinations, and adversarial ...
Diffusion MRI is increasingly used to study white-matter architecture, but tractography and diffusion metrics can be biased by different sampling schemes. We assessed systematic differences across ...
Abstract: The problem of sequential anomaly identification is considered, where multiple data sources are simultaneously monitored and the goal is to identify in real time those, if any, that exhibit ...
Abstract: This paper proposes an adaptive grid sampling strategy based on reconstruction bias constraint for efficient and accurate measurement of free-form surfaces. The method first obtains initial ...
A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...
Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...
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