The focus of the study is …
The study focuses on …
The inquiry focused on …
The study encompasses …
The study incorporates …
The question to be asked here is …
The central question to be examined in this paper etc. is …
… is or are central to this study
… is or are discussed in detail
More specifically, …
a or one condition imposed by … is …
What we are mainly concerned with here …
a focus on …
an emphasis on …
in the context of …
to seek initial answers to …
to provide a basis for …
… will be expanded upon
a simplified approach to …
an empirical approach
a more theoretical approach to …
a purely theoretical approach
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