It turns out that the positive
predictive value of that test is rather meager, which is one reason, among others, why the popularity of PSA testing has declined in recent years.
Not exact matches
«Collectively, data on eye movement
testing demonstrates a high degree
of sensitivity and
predictive value as an outcome measure for concussion,» observes the study.
The negative
predictive value of skin prick
test / specific IgE for immediate reaction is excellent (> 95 %)[15], however a small number
of these patients can have clinical reaction.
«Blood
test can effectively rule out breast cancer, regardless
of breast density: With over a 99 percent negative
predictive value, a liquid biopsy
test can help clinicians manage difficult - to - diagnose dense breast patients.»
Testing the levels
of your antibodies can give you a Positive
Predictive Value of developing an autoimmune disease.
Add to this the findings (from Bowen, Chingos and McPherson's Crossing the Finish Line) that high school grades have a more
predictive value of college success than standardized
tests, and you may just see a shift from standardized
test scores to high school GPA by some college admissions officers.
This is telling, and it brings us back to the two premises (out
of three) that guide the MET project — that
value - added measures should be included in evaluations, and that other measures should only be included if they are
predictive of students»
test score growth.
Our experience with the Study
of Mathematically Precocious Youth suggests that certain
tests like the SAT can be helpful in identifying talent and have long - term
predictive value.
Measures
of text difficulty:
Testing their
predictive value for grade levels and student performance.
[31] All
of the analysts noted the importance
of making sure that scores on the old
tests are
predictive of students» performance on the new
tests before calculating
value - added using data from both
tests.
A
value - added measure based on a standardized
test score is primarily
predictive of the influence
of teaching on standardized
test scores; and
value - added measures are found to be strong predictors in this capacity.
It's why the use
of VAM (
Value Added Measures) can not contribute valid or reliable data to a teacher's effectiveness rating — because VAM is a
predictive model based on comparing a set
of actual student
test scores against a hypothetical group
of scores.
Negative
predictive value: the proportion
of people who score negative on the
test who actually do not have the disorder.
Positive
predictive value: the proportion
of people who score positive on the
test who actually have the disorder.
For each
of these four cut - offs, we calculated the following statistics: (1) the positive
predictive value (PPV): among the persons who received a positive screen, the proportion who in truth have the disorder; (2) the negative
predictive value (NPV): among the persons who received a negative screen, the proportion who in truth do not have the disorder; (3) sensitivity: among the persons who have the disorder, the proportion who receive a positive screening
test; and (4) specificity: among the persons who do not have the disorder, the proportion who receive a negative screening
test.
While, when defining effective intervention efforts, it is important to
test whether the
predictive value of psychopathic traits on delinquent behavior is confined only to the most antisocial youths or whether the relationship between psychopathic traits and delinquent characteristics is similar for juvenile justice and non-juvenile justice youths [7].