Weighted Demographic Health Survey data 30 from the same study regions were examined to compare the representativeness of the study population against a nationally representative population.
However, the representativeness of the study population is a pre-requisite for the external validity of the results.
This paper evaluates the representativeness of the study population and assesses our success in identifying the biological parents.
To assess the effectiveness of an "enhanced" invitation letter in increasing participation in an Australian cancer registry-based study and assess the representativeness of the study sample.
A lack of information on internal validity items, such as the representativeness of the study group, duration of follow-up, blind assessment of the outcome and adjustment for other factors could have led to invalid results.
Representativeness of the study has been reported elsewhere [24].
This further supports the representativeness of the study population.
Convenience sampling also limits the representativeness of the study sample.
A first concern is the representativeness of the study sample.
The final limitation concerns the representativeness of the study sample.
The representativeness of the study sample has been well documented [ 30, 31].
