You are reading a study that includes a graph of a Receiver Operating Characteristic (ROC) Curve, but there are no numerical values included in the results section of the article.  Your supervisor asks you to interpret the meaning behind the 45 degree angle of the ROC curve.  A 45 degree ROC curve suggests:  

According to Sgroi et al., the Full Can Test showed a better area under the curve (AUC) than the Empty Can Test, or other diagnostic tests.  What does AUC measure?

Which country originally took the lead during the early phases of the Age of Exploration? 

Risk factors for the development of a cataract include all of the following EXCEPT?

A 19 year-old female presents with pain and discharge in both eyes. Her left eye became red approximately 3 days ago and when she woke up this morning her right eye had also become red. She states “it feels like there is sand my eyes”. She denies photophobia. She denies family or acquaintances with similar symptoms however she notes her boyfriend had a “cold” last week. She usually wears contacts, but has not put them in for the past 3 days. PE shows: TMs clear bilaterally Nose slightly erythematous with mild yellow drainage Neck/Throat pharynx clear, preauricular lymphadenopathy present bilaterally Eyes PERRLA, moderately diffuse conjunctival injection bilaterally with mucoid discharge noted, fundoscopic exam normal Which of the following is the most likely diagnosis?

Which of the following are you most suspicious of in a patient with this eye finding? 10(1).png

The Soil-Plant-Air continuum is driven by

At what age will a child with amblyopia due to strabismus begin to run a significantly higher risk for permanent vision loss if left untreated?

The research hypothesis in a one-way analysis of variance is that all the population means are different.

Red tapestry costs $6.47 per foot to line a casket. How much would 7 feet of tapestry cost?