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 ...

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

For obvious reasons, it would be useful to predict when an earthquake is going to occur. It has long been suspected that large quakes in the Himalayas follow a fairly predictable cycle, but nature, as ...

The Indonesian Political Indicators survey institute released the results of its latest survey on satisfaction with President Prabowo's performance.

Abstract: Online parameter identification of high-speed permanent magnet synchronous machine (HSPMSM) has been studied extensively neglecting magnetic saturation. However, at heavy load condition, the ...

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 ...

Abstract: Non-idealities of the track-and-hold (T&H) circuit in analog-to-digital converters (ADCs) can severely limit the ADC linearity. In practical applications, traditional calibration techniques ...