Representing Data

Question 1

Scattergrams

Answer 1

• Used with a correlational research method- Plots the relationship between two co-variables.
• Lines should not be joined.
• Line of best fit.

Question 2

Tables

Answer 2

• Present summarised quantitative data.
• Typically showing descriptive statistics.
• Must have a title.
• Variables must be operationalised.

Question 3

Bar Charts

Answer 3

• Used with experimental method, comparing differences between groups.
• IV plotted on x-axis. DV plotted on y-axis.
• Bars should be separate.

Question 4

Histograms

Answer 4

• Used with experimental method but with continuous data.
• Bars should touch.