Correlations
What is the definition of correlation
research method which looks for a relationship between two variables.
What is central tendency?
the average value of a set of numbers (the middle)
Name a study that uses correlation
Hassett, dement & client,
What is postive correlation
When two variables move together(increases or decreases together)
Describe spread
dispersion of distribution of values
When is scatterplot used
Used to show a correlation between groups
Describe correlation coefficient
Describes the strength and relationship between two observations.
What is range
the largest value subracted by the smallest value
What is being studied?
The co variables
What are the planning essay components
What does a bar chart compare?
A bar chart compares the values of 2 or more groups
Is there an IV or DV
No
Whats a strength
High ecological validity
Large sample size, increased generalization
Quick statistical analysis
when is Standard Deviation used?
To find the distance from the average distance for each data point from the mean