Researchers Believe That Experiencing Strong Negative Emotions Such as Fear

Researchers believe that experiencing strong negative emotions such as fear or anxiety will increase people's need to affiliate.To test this idea,the researchers randomly assigned participants to one of two small groups.Members of Group 1 were left for 10 minutes in a room with no windows.While waiting,the lights went out for a brief period of time and the participants could hear screams from another room.Members of Group 2 were likewise left for 10 minutes in a room with no windows,but the lights were left on and no screams were heard.Researchers observed how frequently members of each group started conversations with other members of their group on non-experiment related topics.In this experiment,the hypothesis is .

A) that brief periods of darkness will cause negative emotions
B) that strong negative emotions will increase people's need to affiliate with others
C) that isolation in a waiting room will affect people's need to affiliate
D) that people's need to affiliate will cause people to start more conversations
E) that members of small groups will affiliate with each other quickly