Correct Answer: Correct answer is: (A) Porter and Lawler.
Exam Relevance: Organizational Behavior, Psychology, Management
Difficulty: Moderate
Concept notes: Porter and Lawler extended Vroom's Expectancy Theory by suggesting that motivation is not equal to satisfaction and performance. They introduced a more comprehensive model that includes factors such as ability, role perception, and effort, and depicts what happens after performance.
Common Mistakes: Students often confuse the contributions of different theorists in motivation theories, leading to incorrect attribution of extensions or modifications to the original theories.
Explanations: Porter and Lawler extended Vroom's Expectancy Theory by proposing that motivation is influenced by factors beyond just satisfaction and performance. They introduced a model that includes additional elements such as ability, role perception, and effort, and also considers the outcomes that follow performance. This extension provides a more comprehensive understanding of the motivation process.
Option Analysis: - Option A: Correct. Porter and Lawler extended Vroom's Expectancy Theory by suggesting that motivation is not equal to satisfaction and performance and by depicting what happens after performance.
- Option B: Incorrect. Edward Tolman is known for his cognitive theory of learning, not for extending Vroom's Expectancy Theory.
- Option C: Incorrect. Harold Kelly is known for his attribution theory, not for extending Vroom's Expectancy Theory.
- Option D: Incorrect. Alderfer is known for his ERG theory, which is a modification of Maslow's hierarchy of needs, not for extending Vroom's Expectancy Theory.