Dr Poppins Wanted to Study Adolescents' Reaction to Disappointment

Multiple Choice

Dr. Poppins wanted to study adolescents' reaction to disappointment. At the beginning of a local concert, Dr. Poppins had the announcer broadcast that the musicians would be available immediately following the concert for autographs and photographs. At the end of the concert all of the youth crowded into the autograph area. The announcer then stated that the musicians had to leave unexpectedly and would be unable to stay. Trained observers were planted throughout the arena recording the attendees' reactions to the news. The best description for this would be a(n) :

A) blind observation.
B) interval observation.
C) continuous observation.
D) contrived observation.