The phrase "a targeted subgroup of" is correct and usable in written English.
It can be used when referring to a specific group within a larger population that is the focus of a particular study, initiative, or intervention.
Example: "The research focused on a targeted subgroup of adolescents who are at risk for mental health issues."
Alternatives: "a specific subset of" or "a focused group of".
Under waivers to the No Child Left Behind (NCLB) Act, the federal government required states to identify schools where targeted subgroups of students have the lowest achievement and to implement reforms in these "Focus Schools". In this study, we examine the Focus School reforms in the state of Kentucky.
Within the realm of public health, there is concern that features of various targeted public health interventions (whereby a particular subgroup of population is targeted for an intervention or enhanced intervention focus) may exacerbate health inequity [ 59, 60], raising moral concerns regarding their use [ 61, 62].
School board members also expressed a need to reach out to parents of students who fall within the three targeted subgroups.
Such a goal was quite ambitious as compared to usual rates of seasonal flu vaccine uptake in the population: 50% in targeted subgroups at risk for influenza complications; and less than 25% otherwise [2], [3].
Control over the expression of one or a subgroup of genes with targeted small molecules is a major goal of chemical biologists.
"This was a targeted campaign of murder".
The prediction is supported by the Dual-Ref-Set based on published single gene studies and by experimental verification of a subgroup of predicted dual targeted proteins.
There is a valid question about a subgroup of younger women.
Chromosomal rearrangements of ALK and ROS1 genes in non-small cell lung carcinoma (NSCLC) define a molecular subgroup of lung adenocarcinoma (ADC) that is amenable to targeted therapy with tyrosine kinase inhibitors (TKIs) crizotinib.
