"the extent in which" is a correct and usable phrase in written English.
It is typically used to introduce a clause that explains the degree or scope to which something is true or applies. It can be used in both formal and informal writing. Example: "The extent in which technology has impacted our daily lives is immense."
Most Americans don't realize the extent in which jazz is an international music.
Material things, insofar as they appear in experimental practice, are only parts of an experimental system to the extent in which they are subject to purposeful experimental action.
This parameter indicates the extent in which the two CI90% ranges of each parameter for two active ingredients overlap with each other.
Differences in the extent in which CM and EM participants utilized neurologist/headache specialist visits were also striking with nearly one-third (30.7 %) and 9.7 % of CM and EM, respectively, reporting having visited a neurologist or headache specialist (P < 0.001).
The accuracy of this estimation can be evaluated by observing the extent in which the residuals (the prediction error) of the corresponding prediction filter resemble the hypothesized source of excitation [1] (a perfect impulse train in case of voiced speech).
By this, he means basically that scientists trust experimental data to the extent in which they have reasons to believe that the processes that generated these data provide faithful representations of reality.
Unfortunately, the current informed consent model does not adequately appreciate the full extent in which memory loss disturbs lived-experience.
In quantitative genetics, one is interested in the extent to which variation in certain characteristics is heritable.
The main difference between these two patterns is in the extent to which belief in personal choice is expressed, by the various Attitude Groups.
The present study shows that, in general, the extent to which investigators in the EM Region consider ethics safeguards in the conduct of their research requires improvement.
The safety repair is unusual in the extent to which the agency used in-house engineering to solve the problem.
