research methods: presentation of quantitative data Flashcards
What are bar charts used for?
To illustrate discrete data
What is discrete data?
Data that is separate and countable
What do bar charts show?
differences between conditions/groups and can be used to illustrate means, medians, modes and with nominal data
In a bar chart do the bars touch?
No they can’t touch each other
What are Histograms used for?
To illustrate continuous data
What is continuous data?
Data which can take any value between a given range
What are examples of continuous data?
Scores, heart rates, heights
What do you label the x-axis in a histogram?
List your DV score
What do you label the y-axis in a histogram?
The frequency of scores
What are scatter graphs used for?
Used to display the findings of correlational data and shows the relationship between two variables
What are skewed distributions?
Distributions that appear to lean to one side or another
What is a positive skew?
Where most of the distribution is concentrated towards the left of the graph, resulting in a long tail on the right
What is a negative skew?
Where the scores are concentrated on the right, resulting in a long tail on the left side
