The phrase "a selection of characteristics" is correct and usable in written English.
It can be used when referring to a variety of traits or features that are chosen from a larger set.
Example: "The study focused on a selection of characteristics that define successful leaders in the industry."
Alternatives: "a range of traits" or "a variety of features".
Rather than fixating on one set of characteristics right at the beginning, the students should be encouraged to come up with a selection of possible characteristics, and then choose their favorite set.
In addition, it is possible to draw a sample that is based on a selection of background characteristics that we know from our panel members.
Consistent with the purposeful sampling design of the study, a selection of sociodemographic characteristics were incorporated in the questionnaire, such as age, marital status, literacy, education, religion, income, occupation, living in urban or rural areas, living arrangements (alone or with others), migration status, and participation in civic associations.
However, these frameworks all recommend the assessment of a different selection of characteristics of a surveillance system, and all suggest varying definitions of, and methods to assess these characteristics.
Given the low prevalence of paediatric leukaemia, and hence the increased risk of patients being inadvertently identifiable, we have presented only a limited selection of characteristics to maintain anonymity.
To provide an overview of our sample, Table 3 summarises a selection of unweighted baseline characteristics.
Baseline (T0) antibiotic rates and a selection of further baseline characteristics of physician or patient will function as covariates.
The analysis finds that as dwelling age decreased (i.e. newer), so did indoor air temperatures in both the living room and bedrooms, after adjusting for a selection of dwelling and household characteristics.
Next, the patient was given a lifeline (length of rope) and a selection of stones of varying characteristics and sizes, as well as fresh flowers of varying sizes and colours.
