Winter 2019 slides for DBL course question 5

1. REFINING SCOPE
It is useful to view a research question as an
expression of different but overlapping ideas.
Each different idea acts to narrow the scope of
the topic.
z A research
topic is created at
the intersection of
these dissimilar
ideas.
VEHICLE
SAFETY COST

2. • Thus, one way to narrow the scope of the topic
is to add more dissimilar ideas to the topic.
VEHICLE
SAFETY COST
SENSOR

3. • Similarly, to broaden the scope, remove
dissimilar ideas.
VEHICLE
SAFETY

4. The choice of the words describing a
particular idea may also limit or expand the
particular idea.
z Selecting the word
“vehicle” creates a broader
topic scope than if the word
“automobile” (a more
specific type of vehicle) were
selected.

5. v
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