The phrase "a question by which" is correct and usable in written English.
It can be used when introducing a specific type of question that serves a particular purpose or function in a discussion or inquiry.
Example: "This is a question by which we can determine the effectiveness of the new policy."
Alternatives: "a question that" or "a question through which".
This was based on a single question by which patients could indicate whether they had compared hospitals for their current hospital choice, or not.
That the odds ratio for repetitive work with the wrist and hand was only 1.5 may be a consequence of the wording of the question by which exposure was ascertained.
Another question by which the capacity of the analytic method can be shown is the question of realism.
Or, according to Nancy Scola at TechPresident, "you can skip a question by clicking a button labelled "meh... .., which is likely the first time that word has been used in an official US government capacity".
One grey literature report [ 35] did not give detailed information about the sample or the questions by which OF was assessed.
To patients, the home context was a calmer environment to ask the question in, by which they experience that their questions were more qualified.
Although our work addresses an interesting question by examining which postural control mechanisms underlie the observed diurnal fluctuations, several issues should be considered before firm conclusions can be drawn.
Should anyone attempt a filibuster, Mr. Patrick said he plans to "call the previous question" — a tactic by which supporters of a bill gather enough signatures (16; a simple majority) in advance to end debate and permit a vote on a bill.
First, it posits a key role for ATP hydrolysis by Arp2/3 complex, a question about which our work is silent but which is addressed in subsequent studies (Martin, 2006; Ingerman, 2013).
Created by the American Civil Liberties Union in its battle against racial profiling by the police, they show a white face and a black one, side by side, followed by a question: "Which man looks guilty?" To the insurance industry, the answer is both of them.
