UPSC MainsPSYCHOLOGY-PAPER-I201110 Marks100 Words
Q16.

How does arousal theory explain human motivation?

How to Approach

This question requires a focused explanation of arousal theory and its link to human motivation. The answer should define arousal, explain Yerkes-Dodson Law, and illustrate how different levels of arousal impact performance and motivation. Structure the answer by first defining arousal, then detailing the theory, followed by examples and limitations. Keep it concise, adhering to the 100-word limit.

Model Answer

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Introduction

Human motivation isn't solely driven by needs reduction; arousal plays a crucial role. Arousal refers to the level of physiological and psychological activation. Arousal theory, proposed by Hebb (1955) and later refined by others, suggests that performance is optimal at a moderate level of arousal. This contrasts with drive reduction theory, which posits motivation stems from reducing internal tension. Understanding this interplay is key to comprehending human behavior.

Arousal Theory Explained

Arousal theory proposes individuals seek an optimal level of arousal. This is often illustrated by the Yerkes-Dodson Law, which states the relationship between arousal and performance is an inverted U-shaped curve.

  • Low Arousal: Leads to boredom and lack of motivation.
  • Moderate Arousal: Optimal for complex tasks, enhancing focus and performance.
  • High Arousal: Beneficial for simple tasks, but detrimental to complex ones, causing anxiety and errors.

For example, a student might need moderate arousal to study effectively, while an athlete needs high arousal for a sprint. Individuals differ in their optimal arousal levels – introverts generally prefer lower arousal than extroverts.

Conclusion

In essence, arousal theory highlights that motivation isn’t just about fulfilling needs, but also about maintaining an optimal level of physiological and psychological activation. This optimal level varies based on personality and task complexity. Recognizing this dynamic is crucial for understanding and influencing human behavior and performance.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Arousal
The level of physiological and psychological activation of an organism, ranging from sleep to intense excitement.
Yerkes-Dodson Law
A psychological principle stating that performance increases with physiological or mental arousal but only up to a point. When arousal becomes too high, performance decreases.

Key Statistics

Studies suggest approximately 70-80% of human performance variability can be attributed to psychological factors, including arousal levels. (Source: Broadbent, D. E. (1958). Perception and communication.)

Source: Broadbent, D. E. (1958)

Research indicates that individuals experiencing chronic stress (high arousal) have a 50% increased risk of cardiovascular disease. (Source: American Psychological Association, 2023)

Source: American Psychological Association, 2023

Examples

Public Speaking

A speaker with low arousal might deliver a monotone, unengaging speech. Excessive arousal can lead to stage fright and poor delivery. Optimal arousal allows for confident and effective communication.

Exam Performance

Students experiencing moderate pre-exam anxiety often perform better than those with either very low or very high anxiety levels. Low anxiety can lead to under-preparation, while high anxiety can cause mental block.

Frequently Asked Questions

How does arousal theory differ from drive reduction theory?

Drive reduction theory focuses on reducing internal tension to achieve homeostasis, while arousal theory suggests humans are motivated to maintain an optimal level of stimulation, not necessarily reduce it.

Is there a universal optimal arousal level?

No, the optimal arousal level varies significantly between individuals, influenced by factors like personality (introversion/extroversion), task complexity, and prior experience.

Topics Covered

MotivationPsychologyArousal TheoryMotivationOptimal ArousalYerkes-Dodson Law