The phrase "as a broad guide" is correct and usable in written English.
It can be used when providing general advice or recommendations that are not meant to be strict rules but rather a framework for understanding or action.
Example: "As a broad guide, you should aim to spend about 30% of your income on housing expenses."
Alternatives: "as a general guideline" or "as a rough reference".
The theory is used as a broad guiding device to qualitatively guide the empirical work rather than for providing a precise structure to be estimated.
The areas of the peaks at ~3460 and 2930 cm−1 can broadly be thought of as proportional to the amount of hydroxyl OH (i.e. including water) and CH groups respectively; the latter being a broad guide as to the "quantity" of fibrous wood.
In this Framework, patient engagement was defined as "a broad two way practice guided by a set of principles, processes and activities that provide an opportunity for stakeholders to be involved in meaningful interactions.
A detailed internal evaluation of the World Bank's influential Doing Business index in 2008 found that because countries were given different ranks despite fairly similar index values, small data revisions could send them shooting up or down the indices of business-friendliness.This would matter less if the rankings were used as broad guides.
Because many of the Sphere standards exist as broad guides rather than specifically quantifiable measures [ 36], the included assessments were evaluated based on whether they contained information that could reasonably correspond to each standard, using the same approach to coding described above.
A broad topic guide was used.
Interviews were conducted using a broad topic guide.
Interviews were unstructured, however, a broad topic guide was used to assist the researcher.
Face to face interviews using a broad topic guide recorded fathers' experiences.
Another example of a franchise network that utilizes a guiding framework is the Smiling Sun Network in Bangladesh, which defines quality assurance as "a broad concept that focuses on the entire system including suppliers and ultimate consumers of the product or service.
