The phrase "actual representativeness" is correct and usable in written English.
It can be used when discussing the degree to which a sample or group accurately reflects the characteristics of a larger population.
Example: "The study's findings were significant due to the actual representativeness of the sample used in the research."
Alternatives: "true representativeness" or "genuine representativeness".
A first checking of the actual representativeness of the sample was done by comparing characteristics of dwellings and occupants in the sample with corresponding data from the latest National Census.
In order to ensure the actual representativeness of survey results at national level, sampling weights are used during the analysis.
Due to the non-proportional allocation of the sample to the different domains and to over sampling of the urban area in each domain, sampling weights are considered to ensure the actual representativeness of the sample at the national level as well as the domain levels.
Data from official national sources were used as a basis for quota which allowed ensuring the representativeness of the actual respondents.
Response representativeness is more important than the actual response rate in this type of survey [ 28].
Given the sampling approach described, the level of representativeness of IMSB data for the actual total of POAs dispensed by retail pharmacies in Canada is considered high.
But its strength lies in its representativeness of the population and reflection of actual clinical practice, in contrast with randomised trials that study a highly selected population under highly controlled conditions.
However, for outcomes that are more consistently defined (such as mortality), a comparison of incidence rates in RCTs and actual clinical practice may show the external validity and representativeness of the RCT evidence.
Because the actual time of specimen arrival is not searchable on our system, the representativeness of this electronic data as a proxy for total test turnaround time was verified by a manual audit of 200 Medipath files.
Even though both studies made considerable efforts to increase participation, the actual participation rates achieved in both studies may be too low to guarantee representativeness in higher ages.
Except for Belgium, Denmark and Poland, the samples were analysed using a calculated weighting factor to correct for differences between the structure of the survey samples and the actual population (e.g. age and community size) in order to improve representativeness.
