Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

All respondents are randomly selected from a national registered voter list sourced from Aristotle. The survey employs a probability proportionate to size method, which means the number of respondents ...

The random-digit-dial survey (RDD) was conducted according to Pew Research Center’s standard protocol for RDD surveys. Interviewing occurred April 25 through May 1, 2018, with 1,503 adults living in ...

The 8th ESRA (European Survey Research Association) Conference was held in Croatia in July 2019, which staged 220 sessions on survey research. Among them, this article focuses on the latest cases of ...

This technical note covers household surveys with a focus on probability sampling, bias, and survey weights. It explains how households are selected in a representative way from a population for a ...

A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

According to the BOJ survey, households in Japan see inflation at +10.3% on average and +5.0% at the median over a five-year ...