Module #4 Flashcards
1
Q
Active Variables
A
one that cannot be manipulated. e.g., exercise prescription, drug dosage
2
Q
Attribute Variables
A
ones that cannot be manipulated. e.g., sex, age
3
Q
Random Assignment
A
every participant has the same chance of being assigned to any group in the study
4
Q
Matching
A
some studies match on key variables (sex, age, etc)
5
Q
Blocking
A
can randomize within blocks of a trait (sex, age, etc)
6
Q
Masking
A
one or more groups of people in the study are prevented from knowing key aspects of the study
7
Q
Placebo
A
a ‘dummy’ treatment administered to the control group in a randomized clinical trial