The phrase "study by means of" is correct and useful for written English.
It is the equivalent of saying "to study using" or "to study with the help of". For example, "The student decided to study by means of podcasts, online lectures, and textbooks in order to prepare for the upcoming exam."
Design: Retrospective cohort study by means of patient chart review.
A replication study by means of an operationalized procedure for the diagnosis of personality structures.
A parametric study by means of analytical modeling and FEM simulations has been performed.
In this scenario, an electro-thermal design methodology is proposed and a reliability study by means of the Military Handbook 217F is carried out.
Also the indoor environmental quality was addressed in this study by means of instrumental monitoring of indoor parameters and subjective analyses, carried out by a dedicated questionnaire.
We study by means of direct numerical simulation the mixing performance of fixed and fluidized beds of spherical, monodisperse particles in narrow channels.
A dedicated computer model in the software Engineering Equation Solver was developed to conduct the study by means of a parametric analysis.
A total of 474 accidents were examined in depth for this study by means of a psychological survey, data from accident reports, and technical reconstruction information.
In the present study, by means of a physical examination and development of a specifically TMJ-designed (temporomandibular joint) protocol dentists recorded data in individual files.
It is designed to study, by means of a space based UV digital camera, the Extensive Air Showers produced in the atmosphere by Ultra High Energy Cosmic Rays.
Design: Prospective multidimensional study by means of (1) clinical assessment, (2) self-administered questionnaire for general health, and (3) standardized disability measurements.
