Case Illustration: Small-N Analysis
Understanding Policies (10700193-90)
Tsinghua University
100 (LLN), > 1000 (CLT)
N ≝ 1~100
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Five paths—different lenses, one shared move:
Meaning before measurement.
Whose values shape the policy story?
Render a group, place, or policy through deep description—built from archives, interviews, and immersion.
How do policy and policy makers “act”? “Actors,”“Content,”“Theme,”“Space,” etc.
The state is not the reality which stands behind the mask of political practice. It is itself the mask which prevents our seeing political practice as it is. (Abrams 1988)
How do we name the policy world—and what does the name do?
SNA rejects four LNA expectations—and replaces each with something else.
Replacing LNA’s reliability/validity with four trust-building criteria:
Are the data and interpretations presented in a way the reader can trust?
Can the insights travel to other settings?
当年的SARS也属于冠状病毒,公众容易将二者相类比。当年在应对SARS的过程中,我们是有过教训的。这就提醒我们,千万不可产生轻敌心态和麻痹思想,更不能犯下和当年一样的错误。(王君平 2020)
Built from detailed, illustrative description—but the bridge is built by readers in their own settings, not by the researcher.
The author’s job: make transfer possible. The reader’s job: decide whether it applies.
Was the inquiry rigorous (dependability), and are findings traceable to the evidence (confirmability)?
Different goals, different yardsticks—neither is “better.”
| Large-N | Small-N |
|---|---|
| Objective | Understanding |
| Voiceless | Voice |
| Experimental | Comparison |
| Replicable | Depth |
| Generalizable | Context |
Always care about the framing, and understand an issue from different angles.
Same
Different
Researchers have value
Legalizing abortions lowers crime rates across cultural groups and time periods because crime is tightly correlated with unwanted children, and unwanted children with criminality and other social ills (Donohue and Levitt 2001).
“The poor are more likely to commit crimes”
↓
“The poor is the source of crimes”
↓
“Less poor kids, less source of crime”
No need to transform words into numbers