Ch4 Straegies & Stats Methods In Descriptive Epi

Question 1

The wat researchers can systematically collect, analyze, and interpret data is a ________ ______?

Answer 1

Study design

Question 2

What are the 4 types of variables?

Answer 2

Independent
Dependent
Control
Confounding

Question 3

_______ exposure predictor variable which hypothesizes the cause

Answer 3

Independent=x

Question 4

______ outcome variable hypothesized to be the effect

Answer 4

Dependent=y

Question 5

_______ variables that are held constant throughout the experiment

Answer 5

Control

Question 6

________ an unmeasured 3rd variable that influences both the independent and dependent variable

Answer 6

Cofounding

Question 7

_______ _______ occurs when the magnitude of the effect of the exposure on the outcomes differs on the level and a 3rd variable

Answer 7

Effect modifier