Jenna is a talented singer. Her singing is commendable when she is well re-hearsed and is performing with her school choir group
. In such situations, she is moderately aroused and fairly relaxed. However, when Jenna's friends are around, she gets overly aroused and anxious. In such situations, she finds it hard to focus and often makes mistakes. Which of the following psychological principles can be used to explain the rationale behind Jenna's performance? a) the Cannon-Bard theory.
b) the Yerkes-Dodson law.
c) the James-Lange theory.
d) self-regulation.
Yerkes-Dodson law is the concept that determines about performance is directly related with arousal.Increment experience in arousal can tend to upraise performance till a certain level and then decrease .
According to the question, Yerkes-Dodson law is working in situation of Jenna as she performs well when there is certain arousal through presence choir group and rehearsal but then arousal tends to diminish her performance and makes her anxious at a certain point due to presence of friends.
Other options are incorrect because self-regulation, Cannon-Bard theory and James-Lange theory are not the concept depicted through Jenna's performance.Thus, the correct option is option(b).
Based on the information provided within the question it can be said that the two characteristics that the argument uses are that of growth and reproduction. This is because the viruses depend on cells of other living creatures which they use in order to grow and reproduce in order to survive and attack the system which they have infected.
The Christians want to win back the holy land and the pope wishes to see the holy land under Christian rule so they set up the crusade. There was also a King's Crusade which the pope set up.
Explanation: Terracing crop is a soil conservation strategy of growing crops on hill side by planting crops on graduated terraces perpendicular to the slope of the land . This method is useful in reducing soil erosion.
