Politics is all about arguing who will be shafted - and the answer may differ from country to country.
This may have introduced a sampling bias of self-selection, because participants who volunteered to answer our survey may differ in important ways from those who did not.
It should also be recognised that respondents' answers to interview questions may differ from their true beliefs.
The answer of one chef may differ from that of another.
The "right" answer to this question may differ from individual to individual and can be known only in retrospect.
As the repair of DNA DSBs occurs through either homologous recombination (HR) or non-homologous end joining (NHEJ), the former operating in dividing cells while the latter also in non-dividing cells [36], the cellular answer to genotoxic damage may differ according to the cell cycle phase.
Both are versions of the How question, but they ask about the prospects of very different explanatory projects, and thus may differ in their answers (Lycan 1996).
However, in spite of the care with which they are conducted, systematic reviews may differ in quality, and yield different answers to the same question [ 4].
