EBM

Question 1

What constitutes a type I error in hypothesis testing?

Answer 1

Rejecting H0 when H0 is actually true

Question 2

What constitutes a type II error in hypothesis testing?

Answer 2

Accepting H0 when H0 is actually false

Question 3

Define incidence:

Answer 3

(# of new events) / (# of people at risk)(time)

Question 4

Define prevalence:

Answer 4

(# of people with event) / (# of people in a population)

Question 5

What is the relative risk or risk ratio (RR)?

Answer 5

prevalence (pop 1)/ prevalence (pop 2)

Question 6

How do hou calculate on odds ratio (OR)?

Answer 6

cross products (ad/bc)

Question 7

Define validity in context of a study:

Answer 7

The study measures what it intends to measure

Question 8

Define reliability in context of a study:

Answer 8

Measurements taken are repeatable