The preliminary pilot testing involved interviews with patients and input from a patient and public involvement group to assess acceptability.
The investigation involved interviews with 144 witnesses, including fellow students who were wounded, along with 911 calls.
Accenture's research involved interviews with more than 70 business leaders in advertising agencies, technology companies and online publishers.
The study involved interviews with 12,188 residents, who were questioned about their attitudes to socialising, eating out and partying.
Her research has involved interviews with students, parents, teachers, tutors, and admissions officers, and visits to colleges and hagwons.
On Monday, Ms. DiFiore issued a statement saying her investigation had involved interviews with more than 400 people.
The Guardian/LSE research, which involved interviews with 270 people who took part in the riots, has been studied by a number of cabinet ministers.
Mr. Kotz's investigation, begun in the days after Mr. Madoff's arrest, involved interviews with 122 people and reviews of thousands of documents.
Conducted immediately after the speech on Wednesday night, the poll involved interviews with 491 residents and has a margin of error of plus or minus 4 percentage points.
"Our investigation involved interviews with dozens of sources with knowledge about the Akasha network and ivory trafficking, including members of the crime community and law enforcement," says Peters.
Research for this article involved interviews with Isis defectors and members, as well as security officials and counterterrorism experts in six countries on three continents.
