The phrase "another purpose of the study" is correct and usable in written English.
It can be used when discussing the various objectives or aims of a research study.
Example: "In addition to exploring the main hypothesis, another purpose of the study is to assess the long-term effects of the treatment."
Alternatives: "an additional aim of the study" or "a further objective of the study".
Another purpose of the study was to demonstrate that the ƬE method for determining Pplt, Crs, and Rtot was valid for representative forms of ventilatory support.
Another purpose of the study, therefore, was to explore the role of the problem formulation type (abstract vs. situational) in measuring attitude.
Another purpose of the study was to demonstrate that the ƬE method can be used with various modes of ventilatory support.
Another purpose of the study was to identify the predictors for maintaining healthy behavior targeted at reducing the CVR in women and men.
Another purpose of the study was to distinguish between effects of type of discourse (explanatory or narrative) and level of familiarity in the quality of children's productions and the role of bilingualism on those results.
Another purpose of the study was to perform trial sequential analysis (TSA) to examine the changes over time and whether further studies need to be conducted, by adjusting significance levels for sparse data and multiple testing on accumulating trials.
Given the accumulation of genome sequences from different viruses in GenBank database, another purpose of the present study is to quantify the relative contribution of mutation pressure and natural selection on influencing codon usage patterns of virus genomes.
In the light of finding a good candidate for HRT and given that natural products are promising sources of novel potentially therapeutic agents, another purpose of the present study was to investigate the mutagenic activities of C. pallida by the Ames test, in order to contribute to a toxicological evaluation of the candidate samples to be employed in HRT.
Another purpose of this study is to discover the variables that are the main contributors to the components.
Another purpose of this study was to look at the correlation between the PDs grant success and their mentor's citation record.
