The phrase "ascertained sample" is correct and usable in written English.
It can be used in contexts where you are referring to a sample that has been determined or established through investigation or analysis.
Example: "The researchers collected an ascertained sample of data to ensure the accuracy of their findings."
Alternatives: "determined sample" or "verified sample".
Specifically, maternal smoking was investigated both as a covariate and with regards to its main and interactive effects on child IQ in a prospectively ascertained sample of children whose mothers reported pregnancy exposures to four classes of agents: varicella virus infection (VC), selective serotonin reuptake inhibitors (SSRIs), antiepileptic drugs (AEDs) and benzodiazepines (BZDs).
The METSIM cohort is a randomly ascertained sample of 10,197 men aged 45 70 from Kuopio, Eastern Finland [ 20].
Since we use ZAPLO to estimate the haplotype probabilities from an ascertained sample, these probability estimates may not be unbiased estimates of the true probabilities.
The use of a well characterized, epidemiologically ascertained sample with detailed demographic and psychosocial assessments allowed for well-matched samples in terms of age, gender, and handedness.
Second, we used rejection sampling to simulate an ascertained sample in which at least one sibling was affected (D S is always affected).
All neutrality tests were carried out using data obtained with an initially ascertained sample of 80 chromosomes, except in the Fay and Wu test, where an extended sample of 80 genotyped individuals was used.
The focus was thus on a less prevalent type of depression than that included in the PGC from Europe and the USA, which included population-ascertained as well as clinically ascertained samples.
By use of a liability-threshold model approach, standard dichotomous and/or qualiability-threshold modeles capproachalyzed (and can include appropriate correctionstandardenotypically ascertainedichotomous which and/or for the application of this model to analysis of the commonly used affected-proband trio design.
The majority of studies used clinically ascertained samples of individuals with TS, which may differ substantially in disease severity than those ascertained through population based means.
Furthermore, we were able to avoid referral biases that can be present in clinically ascertained samples, which can inflate co-occurrence rates between conditions.
'ss', 'bs' and 'bb' refer to sister sister, brother sister and brother brother To illustrate that matching is indeed necessary, the boxplots in Fig. 1 show a substantial variation between the ORs from the 1,000 randomly ascertained samples.
