A senior government source speaking to the Press Association Wednesday suggested this was not a follow-up attack but rather a case of cross-contamination. "They [the authorities] have never been able to ascertain the item used to deposit the Novichok, and it's possible the pair have come into contact with that item," the source said.
A standard questionnaire is administered in person or by telephone to ascertain food items consumed in the 2 months before onset of illness, including food items previously identified as vehicles in outbreaks and foods that have been previously found to be contaminated by L. monocytogenes and typically consumed uncooked.
In addition, the anxiety self-report measure used is relatively weak on ascertaining fear based items and contains relatively few items specific for obsessional and compulsive acts that can be correlated with anxiety.
Self-reported depression and arthritis were ascertained using items from the Self-Administered Comorbidity Questionnaire (SACQ), a reliable and valid comorbidity measure that is widely used in orthopedic research [ 23].
The final translation was examined by an expert panel consisting of clinicians and researchers to ascertain the items are culturally relevant and can be correctly understood by the Chinese participants.
Non-intersection of ICCs for dichotomously scored items ascertains an IIO of items and thus scales meeting this assumption can be considered as nonparametric counterparts to scales based on the more traditional, parametric Rasch models.
Study results call into question the appropriateness of using batteries of effortful, attention demanding tasks for ascertaining whether AD causes item-specific loss of conceptual knowledge.
The note "acoustic recording" should be included when describing any 78 rpm discs that were produced using acoustic recording processes, if such information can be ascertained from the item or a reference source.
Specialized training was ascertained by the item: "Please check the areas [major psychiatric, alcohol/drug, children 0-12, adolescents 13-17, and marital/family] in which you have at least 1500 hours of training and experience and wish to provide services.
Potential DIF is ascertained for each item by comparing the standardized residuals between the countries and across the latent trait continuum of QoL using a two-way analysis of variance (ANOVA).
