способ получения информации путем опроса обследуемых лиц о прошедших событиях их жизни; применяется, напр., в демографической и санитарной статистике.
"Everything that is beautiful and noble is the product of reason and calculation." Charles Baudelaire
"The best way to keep your friends is not to give them away." Wilson Mizner
"Silence is the mother of truth." Benjamin Disraeli
"Never forget the three powerful resources you always have available to you: love, prayer, and forgiveness." H. Jackson Brown, Jr.