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Which of the following statements describes appropriate airway management in a patient undergoing repair of a tracheoesophageal fistula?

Which of the following genetic syndromes is associated with subglottic stenosis?

Which of the following is an appropriate estimated blood volume for a 3kg, 4-week-old infant?

Newborns with a myelomeningocele

Which of the following accurately defines hypotension in pediatrics?

Mercia is completing a study investigating the impact of a stuttering education and advocacy program for increasing stuttering acceptance. Participants are recruited from a local speech and hearing clinic and randomly assigned to Treatment Group A (new stuttering education and advocacy program) and Treatment Group B (traditional treatment focusing on acceptance and reducing stuttering severity). What kind of design is this study?

When there is blinding of the interventionist, the study can be described as having a higher level of evidence.

Random sampling refers to the process through which people are assigned to treatment groups in an experiment. 

The process of peer-review always ensures fairness and scientific integrity in the dissemination of study findings through journal articles. 

A researcher wants to study the relationship between exposure to emotional trauma in early childhood and the use of pragmatics during adolescence. She initially enrolls the children when they are receiving the initial assessment and treatment for trauma between ages 2-4. She then re-assesses them every 2 years until they reach 11 years of age and then begins to re-assess them every year again.  This is an example of a _____ study design.