Research

Question 1

HOw is incidence calculated?

Answer 1

Number of new cases in an area divided by number of eligible cases

Question 2

How is prevalence calculated?

Answer 2

Number of diseased individuals/ total number of individuals

Question 3

What is the ideal numbers needed to treat (NNT) value?

Answer 3

1

Question 4

Which type of error does P-value account for?

Answer 4

Type 1 error

Question 5

What is the cutoff of statistical significance?

Answer 5

0.8
Power

Question 6

____ study is a randomized clinical trial that takes a group of pts with disease and compares them with a historical control group

Answer 6

SIngle group study

Question 7

Does p value clinical or statistical significance?

Answer 7

Clinical significance

Question 8

What 2 things measure statistical significance?

Answer 8

Power
Type 2 error

Question 9

What 2 things measure clinical significance?

Answer 9

P value
NNT

Question 10

An invitation to participate in a new study is sent to all radiology faculty at dental schools in a state. They are asked to participate by comparing lesion features on panoramic images and CBCTs to investigate diagnostic impact. This is an example of which type of sampling?

Answer 10

Convenience

Question 11

How is prevalence measured?

Answer 11

Total number of cases/total number of people

Question 12

A patient is screened at a community health clinic for the presence of oral cancer. What type of variable is this?

Answer 12

Binary

Question 13

in a study, what is the explantory variable?

Answer 13

Same thing as independent variable with a different name