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 Results Monitoring Surveys (RMS) Basic Sampling Guidance provides an overview of possible sampling approaches and considerations for implementing an RMS that allows for generalisations about the ...

1. Autonomous sound recording is a promising sampling method for birds and other vocalizing terrestrial wildlife. However, while there are clear advantages of passive acoustic monitoring methods over ...

This is a preview. Log in through your library . Abstract Development of valid bootstrap procedures has been a challenging problem for survey samplers for the last two decades. This is due to the fact ...

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 ...

Pew Research Center’s international surveys are largely conducted via telephone or face-to-face interviews, depending on the country. (The exceptions are the United States and Australia, where surveys ...