Screen 2
Difference Between Qualitative and Qauntitative
In science it is critical that experiments and the
observations recorded are repeatable. Therefore quantitative observations
are much more valuable than qualitative. When a numerical value is given
to a characteristic it allows for direct comparison between observations
made by different people or at different times.
For example: All the basketball players named below
would be considered very tall but who is the tallest? You could compare
them by asking them to stand next to each other, if you can get them together.
But even then you wouldnt be able to compare them to a new player
in a distant land or in the past. However, a quantitative measurement
can allow us to compare characteristics made in different places or times.
[cartoons of people?]
|
Player
|
Qualitative Data
|
Quantitative Data
|
|
Tony "Gamma" Beta
|
Very Tall
|
2.16 m (7 ft 1 in)
|
|
Susan "The Guillotine"
|
Very Tall
|
2.29 m (7 ft 6 in)
|
|
Maria "The Natural" Bean
|
Very Tall
|
2.26 m (7 ft 5 in)
|
|
Fean Draga-ma-feet
|
Very Tall
|
2.26 m (7 ft 5 in)**
|
|
Bill "Takem Totha" Morg
|
Very Tall
|
2.26 m (7 ft 5 in)**
|
|
Lisa "Hit-Me" Strobenga
|
Very Tall
|
2.26 m (7 ft 5 in)**
|
|
Tom "The Eiffel" Tower
|
Very Tall
|
2.26 m (7 ft 5 in)**
|
Note: make metric conversations for
**
|