Competency 22 Flashcards
What are 2 major reasons why graphs are used to provide information about a social science subject?
- to present a model or theory visually so that you can show how 2 or more variables interrelate
- present real world data visually in order to show how 2 or more variables relate
When are graphs most useful?
When one wants to show sequential increase or decrease in a variable or to show specific correlations between 2 or more variables in a given circumstance.
Why is the bar graph the most common graph?
easy way of visually showing the difference in a given set of variables
What is the disadvantage of using bar graphs?
It is limited in showing the actual proportional increase or decrease of given variable in terms of other given variable
What is used instead of a bar graph that can show proportional increase or decrease in variables?
Line Graph
What are the 2 types of Line graphs?
Linear: uses straight lines
Non-linear: uses curved lines
What is the equation of slope?
rise/run
In order to use charts correctly, what should one remember?
one should remember what reasons the grahps are used for
When are pie charts used?
to show the differences in percentages among various items or demonstrating divisions of a whole
How long have political posters been used?
there have been political posters since the 1st century found
What is the most difficult form of literature to teach in social sciences?
Political Cartoons
What is the most popular political comic strip?
Doones Bury By Gary Trudeau
What is the disadvantage of using a map over a globe?
it is flat and has been stretched to become flat which is called Distortion
What is distortion?
reproducing a 3D sphere and stretching it to become a flat surface Ex. Globe to a Map
What are cartographers?
map makers, experts on distortion
