PC: 2 likelihood ratios and more

Question 1

with a + test, the increase the LR+ the _____ certain that the individual ____ the condition

Answer 1

more;has

Question 2

with a - test, the decrease the LR- (close to 0), the odds that the indiv has the condition is ___

Answer 2

Less

Question 3

LR + of 10

Answer 3

generate large often conclusive shifts in probability

Question 4

LR + 5-10

Answer 4

generate moderate shifts in probability

Question 5

LR + 2-5

Answer 5

generate small but sometimes important shifts in probability

Question 6

LR + 1-2

Answer 6

alter probability to a small, and rarely important degree

Question 7

LR- <0.10

Answer 7

generate large, often conclusive shifts in probability

Question 8

LR - 0.1-0.2

Answer 8

generate moderate shifts in probability

Question 9

LR- 0.2-0.5

Answer 9

generate small, but sometimes important, shifts in probability

Question 10

Lr- 0.5-1

Answer 10

alter probability to a small and rarely important degree

Question 11

what is pre-test probability

Answer 11

% based on clinical and or previous research

Question 12

increase reliability in test = ____ MDC value in that population

Answer 12

decrease

Question 13

does senstivity give you false positives or negatives

Answer 13

false negatives