Wondering how many people in the United States have a smartphone? If you poll 20 people on the street, your survey won’t be representative of the entire American population. But if you just want to ...

The 21-item Three-Factor Eating Questionnaire (TFEQ-R21) is a scale that measures three domains of eating behavior: cognitive restraint (CR), uncontrolled eating (UE) and emotional eating (EE). Data ...

A sample survey has many potential sources of error that generally have a systematic effect on the outcomes. Therefore, many large-scale field experiments are ...

In the days to come, we should expect more polls to be reported so I thought it would be best to discuss more closely the Philippines’ survey scene. In this first of a three-part series, I describe ...

The National Sample Survey, under the Ministry of Statistics and Programme Implementation, has been conducting large-scale sample surveys on All-India basis since the 1950s. These surveys are the most ...

The analysis of the experiences and attitudes of the LGBT population in this report is based on a survey conducted April 11-29, 2013, among a sample of 1,197 self-identified LGBT adults, 18 years of ...

The main types of non-response are no contact and refusal. In Chapter 2, we discuss some theories for these types of non-response. In addition, we present an overview of the characteristics associated ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...

The National Sample Survey (NSS), since its beginning in 1950 by launch of the first round of Household Consumption Expenditure Survey and other allied indicators, has for the last 75 years quietly ...