Gallup began conducting its Gallup World Poll (GWP) in 2005 with the intention of regularly surveying “every” country around the world. The survey’s main objectives are to (1) quantify the current state of well-being of those living in each country and (2) to collect additional data of importance in each of six regions around the world. Two survey design methods are employed: a Random-Digit-Dial (RDD) telephone survey and a face-to-face personal interview survey. The majority of the Gallup World Poll (GWP) data are collected through face-to-face interviews. The critical design features of the GWP are (1) standardized methodology to facilitate county and time comparisons, (2) representative sampling generally covering each country’s population age 15 and older, and (3) the use of dichotomous response categories to reduce cultural and translation biases.
Controlled Vocabulary Terms
importance sampling; statistical quality control; surveys
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