Explain the ladder of abstraction. Compare and contrast between philosophies, conceptual models, grand theories, nursing theories, and middle-range theories.

 Discussion:
1. Explain the ladder of abstraction. Compare and contrast between philosophies, conceptual models, grand theories, nursing theories, and middle-range theories.
2. Select one theory from each of the categories listed in question 1. Summarize each theory and provide an example of how this theory can be used in research, education, and practice.
3. Which of the theories selected in question 2 most resonates with you? Explain why. 

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