In Many Respects,Allen Funt's Old Television Show,Candid Camera,is Similar to Observational

In many respects,Allen Funt's old television show,Candid Camera,is similar to observational research in social psychology.In what crucial respect is Candid Camera most different from observational research?

A) The people Funt filmed did not provide informed consent.
B) The kind of situations that Funt filmed are not relevant to social psychologists.
C) Funt intentionally manipulated the situations.
D) Funt's observations were not conducted in a controlled,scientific manner.
E) Funt did not use a random sample of people who confronted strange situations.