Methods of Observation. PS 204A, Week 2. What is Science?. Science is: (think Ruse) Based on natural laws/empirical regularities. Makes predictions. Collections of laws that generate predictions that are empirically confirmed constitute “explanations.” Must be falsifiable.
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PS 204A, Week 2
Science is: (think Ruse)
Within any given “box,” we take the premises as “given.” But any premise may itself become an object of investigation in another “box.”
Internal hierarchy: state “speaks” with a single voice
Unitary states wishing to survive
Anarchy: no common authority
If testing leads to a revision of a premise, then still need to plug back into original theory and retest.
Act to check the power of other states.
2. Internal Validity
3. Construct Validity
1. Conclusion Validity
4. External Validity