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 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 ...

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 ...