Which Situations Are Particularly Relevant for the Use of Protocol

Multiple Choice

Which situations are particularly relevant for the use of protocol analysis?

A) purchases involving a long time frame and several decision factors
B) purchases involving a short time frame and only one or two decision factors
C) purchases involving a long time frame and only one or two decision factors
D) purchases involving a short time frame and several decision factors
E) routine purchases,such as purchasing chewing gum