For example, in one of Pew Research Center’s questions about abortion, half of the sample is asked whether abortion should be “legal in all cases, legal in most cases, illegal in most cases, illegal ...

A summary of ABC News' polling standards and survey methodology follows. Standards. ABC News maintains standards for disclosure, validity, reliability and unbiased content in survey research and ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Aston University biostatistician Dr. Dan Green has identified the top ten errors he commonly sees in research papers in his ...

Using an interview can be an effective primary source for some papers and research projects. Finding an expert in the field or some other person who has knowledge of your topic can allow for you to ...

Will Fitzhugh is the founder of The Concord Review, since 1987 the only journal in the world for the academic research papers of secondary students. Updated March 7, 2014, 6:23 PM The Internet can ...