propensity-score–matched(необходимое методологическое условие в отношении контрольной и экспериментальной групп при изучении влияния какого-либо воздействия на риск наступления определенного события Min$draV)
award of a doctorate(The guests were celebrating the award of a doctorate to one of their friends, and about 60 people were present. (Janet & Colin Bord, "Unexplained Mysteries of The 20th Century")ART Vancouver)