Surveillance and Epidemiological Investigation Flashcards
1
Q
Attach Rate
A
new case / exposed
2
Q
Negative Predictive Value
A
NPV:
# of true negative / (# of true negative + # of false negative)
D/(D+C)
3
Q
Specificity
A
true negative rate: if a person does not have the disease, how often will the test be negative?
High specificity: certainly have the disease
high specificity than sensitivity: the positive result will be more accurate than negative
4
Q
confidence level
A
the probability that the procedure provides an interval that covers the population mean
5
Q
confidence interval
A
range of values so defined that covers the population mean
6
Q
Type 2 error occurs in hypothesis testing when
A
the null hypothesis is not rejected when the alternative hypothesis is true
7
Q
Type 1 error
A
null hypothesis is rejected when it is true
