Error counts are not randomly distributed across the sample, but are correlated with household characteristics, potentially introducing sample bias if dubious observations need to be dropped.
In his book "More and Different", the great theoretical physicist Philip W. Anderson describes this as a "seamless web" – a body of firmly established theory, now extending from physics through molecular biology, which in many situations, traps dubious observations.
Uncontrolled personal observations of dubious references in the headache literature.
Furthermore, arguments given in the Mozi that are purportedly based on intersubjective observation seem extremely dubious, e.g., that ghosts exist because stories are told about them very often.
In total, there are more gaps than real observations, and the observations themselves are often dubious.
Some of Mr. Critser's observations are more dubious, like his citation of a survey associating obesity with higher levels of religiosity, or his worry that "assortative mating" ("fat attracting fat") will lead to fat parents producing more fat children.
This minor debacle gives rise to numerous observations, including the dubious value of the caucus itself, especially a poorly staffed one.
Some observers are dubious.
That courtyard, with its teeming, peculiar, dubious, and flirtatious flux of encounters, observations, and banter, is a reprise of one of the great courtyards of cinema history, the one seen in Jean Renoir's "The Crime of Monsieur Lange," from 1935.
The maximum length this species attains is often given as 2.1 m, though this was originally based on visual observations and may be dubious.
