Pew Research Center

Appendix 1: Survey Methodology

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 ...
Forbes

Writing A Strong Survey: Quit Asking Leading Questions

I own a market research company, so I understand the importance gathering data from your target audience and using that data in order to make product development, marketing and strategic business ...
CMS Wire

Customer Experience Survey: Calculating the Right Sample Size

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 ...
Nature

Psychometric analysis of the Three-Factor Eating Questionnaire-R21: results from a large diverse sample of obese and non-obese participants

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 ...
Pew Research Center

Appendix A: Methodology

Between Nov. 17, 2019, and March 23, 2020, Pew Research Center completed 29,999 face-to-face interviews with non-institutionalized adults ages 18 and older living in 26 states and three union ...