DEFINITION
What is the difference between Quantitative and Qualitative Data?
Quantitative Data is data that is described using numbers and measurements, and Qualitative Data is describes using descriptive words.
Tyzan likes to go crabbing. He usually uses chicken bone as bait. Tyzan wants to know if using squid as bait will make him catch more crabs?
-What is Tyzan's testable question?
Will changing my crabbing bait from chicken to squid, help me catch more crabs?
Independent Variable
"The cause." - the part the scientist changes; the change being investigated.
In our Koa experiment...
Scarification is an example of an_________ variable.
Scarified seeds is an example of _________ group.
Independent Variable
Experimental Group
A condition or variable that stays the same for both groups.
Constant
I wanted to see if wearing Nike shoes, instead of slippers would increase my speed in running.
What is my dependent variable?
Speed
Dependent Variable: “The effect” - what is being tested, measured and recorded.
Experimental Group
"Changed group" - the group that you are testing. Also called the Test group, and is the group that gets changed.
Amount of sunlight, amount of water, type of soil, amount of growing time will be the same for both the scarified and unscarified seeds. These are all examples of ________.
Constants
Control Group
“Normal group”- that is not changed and is used for comparison.
Tyzan likes to go crabbing. He usually uses chicken bone as bait. Tyzan wants to know if using squid as bait will make him catch more?
-Which group of crabs are in Tyzan's control group?
-Which group of crabs are in Tyzan's experimental group?
Control group: Group of crabs getting the chicken bone bait.
Experimental group: Group of crabs getting the squid bait.