click below
click below
Normal Size Small Size show me how
Variables / Graphing
7-3 Ch 1 Variables, Data Tables and Graphing
Question | Answer |
---|---|
In a data table, where does the IV go? | on the left |
In a data table, where does the DV go? | on the right |
In a data table, how are multiple trials shown? | by dividing up the right side into multiple columns |
On a graph, where does the IV go? | on the x-axis |
On a graph, where does the DV go? | on the y-axis |
On a graph, how are multiple trials shown? | With a key |
When is a bar graph used? | If there are categories of information being compared |
When is a line graph used? | If one numerical variable is being compared against another |
What are the factors that remain the same amongst all groups tested? | constants / controlled variables (CV) |
What are factors that are accidentally NOT the same and cause error? | uncontrolled variables (UV) |
What is the ONE changed/tested factor; it is different between the groups tested? | independent variable |
What is the factor that changes as a result of (because of) the tested variable; is recorded as data? | dependent variable |
A word meaning dependable; that you can count on it to be correct. For an experiment, usually means having repeated trials with consistent results (PreAP only) | reliable |
A word used to describe an experiment when it is fair, because the design only shows the affect of ONE variable on another | valid |