When a local celebrity experiences a burglary, television ne…

When a local celebrity experiences a burglary, television news reports state only that “some personal items were taken” from the home. However, investigators know that one of these items was a large diamond ring. While carefully monitoring the changes in heart rate and perspiration of a person of interest, the investigators list six personal items—five of which were not taken, and one of which is the ring. The investigators are making use of

Estée, who views her upcoming class presentation as a challe…

Estée, who views her upcoming class presentation as a challenge to be welcomed, feels aroused and focused and performs her task well. Karl, who views his presentation as a threat to be feared, feels intimidated and distracted and forgets most of what he wanted to discuss. This illustrates the importance of