About Pew Research Center’s Spring 2025 Global Attitudes Survey Results for the survey are based on a mix of telephone, face-to-face and online interviews ...

This Pew Research Center report on sources of national pride uses data from nationally representative surveys conducted in 25 countries. For non-U.S.

Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.

Abstract: A new modeling framework integrating Ramer-Douglas-Peucker (RDP) non-uniform sampling (NUS) with a Long Short-Term Memory (LSTM)-Fully Connected Network (FCN) hybrid neural network (LFN) is ...

Purpose: Different respiratory sampling methods exist to identify lower airway pathogens in patients with cystic fibrosis (CF), of which bronchoalveolar lavage (BAL), and expectorated sputum are ...

Abstract: Non-uniform sampling techniques enhance the efficiency of data acquisition systems by operating at a sub-Nyquist sampling rate while maintaining a comparable output quality. These techniques ...

Sampling (or sample) bias is a widespread concern in scientific research, across several disciplines. The concept of sampling bias originated in statistical studies. The consequence of a biased sample ...

MONTREAL — The Supreme Court of Canada started hearing a case on Monday about whether it's constitutional for police to make random traffic stops, after Quebec's highest court ruled that the practice ...