"this study expands on" is a correct and usable phrase in written English.
It is used to introduce and describe how a particular study builds upon or adds to previous research or knowledge on a topic. This phrase can be used in academic writing, research papers, and other formal written works. Example: "This study expands on previous research on the effects of exercise on mental health by examining the long-term impact of different exercise intensities on individuals with anxiety disorders."
This study expands on Godin et al. [22] to look more closely at a subset of these voice quality measurements.
This study expands on previous linear EIS investigations of microparticle biomarkers' suspensions and NLEIS studies of non-aqueous colloidal systems.
This study expands on existing modelling approaches by allowing for varying stock sizes within patches and stochastic spread between patches.
This study expands on these concepts and provides a more fundamental understanding on both of these modeling areas.
This study expands on our previous work by applying electrospray charging to olivine and ordinary chondrite microparticles, samples arguably more relevant to cosmic dust than quartz.
This study expands on the previous research of the substructuring methods by taking a deeper look at the analysis of a free free substructure.
This study expanded on the Carlisle and Stone (2005) study by examining accuracy of word reading by looking at words presented in context versus words presented in isolation.
Findings from this study expand on existing work by describing new and different levels of involvement not identified by Thompson [ 45] such as "Pseudo-autonomous decision making" and "Delegating decision making" when persons with dementia were involved in decision making.
This study expanded on prior research by using comprehensive medication data from a large prospective multi-site naturalistic study of patients treated for schizophrenia-spectrum disorders in the United States to assess the annual rate and duration of monotherapy, and its inverse, antipsychotic polypharmacy.
This new study expands on our preliminary work, further demonstrating a possible association between Pb exposure during development and schizophrenia.
This study expands the understanding on perceived effectiveness of external factors that influence residents' waste separation behaviour.
