Mine can be explained by a single anecdote.
In medicine that usually means that most of the time, a symptom can be explained by a single diagnosis.
It's simplistic to say that a war, revolution or economic collapse can be explained by a single factor.
The Alvarez hypothesis, as it became known, was that everything — the clay layer from the scaglia rossa, the clay from Denmark, the spike in iridium, the shift in the fossils — could be explained by a single event.
The PCA showed that almost all variance (>98%) was explained by a single component.
The change within the parameters could not be explained by a single phase model.
Since the communality of NCT reading was 0.81, 81% of NCT reading scores can be explained by a single factor.
It is not at all clear that all of the examples that double effect has been invoked to justify can be explained by a single principle.
Kant, for example, treated space and time in his Transcendental Aesthetic as things that should be explained by a single, unified theory.
In the PCA, 33.5% of the variation in responses was explained by a single factor, interpreted as a general fear factor.
The abundance and heterogeneity of available mechanistic theories of aging implicitly suggest that this phenomenon is overly complex and unlikely to be explained by a single pathway.
