COMBINING OVERVIEW
Screen 4 of 4
Try this more complex search.
The "nesting" ( )
allows you to combine multiple
sets at one time. The sets or terms that are in the nest are processed first,
as a unit. Then, the system adds to that group whatever sets or terms are outside
of the nest.
Scenario 4:
You would like to read up on whether a diet that is high in fiber decreases
the risk of certain cancers. You're especially interested in the impact of a
high fiber diet on breast cancer and colon cancer, because you have a family
history of both types of cancer.
How
would you combine these concepts together using the Boolean AND and OR?
(Click on the green question mark next to the set(s) you would choose.)
|
|
Option
A
|
Set
#1: colonic neoplasms
Set #2: breast neoplasms
Set #3: dietary fats
(1 AND
2)
OR
3
|
|
|
Option
B
|
Set
#1: colonic neoplasms
Set #2: breast neoplasms
Set #3: dietary fats
(1 OR
2)
AND
3 |
|
|
Option
C
|
Set
#1: colonic neoplasms
Set #2: breast neoplasms
Set #3: dietary fats
(1 OR
2)
OR 3
|
|
|
Option
D |
Set
#1: colonic neoplasms
Set
#2: breast neoplasms
Set #3: dietary fats
(1 AND
3)
OR
(2 AND
3)
|
| 
