correlation

Complete the form below to find out what test you need to run. The statistics decision trees are based off information from Cronk, B. (2011). How to use SPSS (7th ed.). Pyrczak.

This is not a comprehensive statistical test repository. It can only tell you about the most common and basic statistical tests, such as, ANOVAs, Chi Squared, Correlations, Regressions, and t-tests.

Note: If you receive a notice of "You should run a Unknown", please consult an advanced statistics book. Also the author of this website has made an effort to ensure the accuracy and completeness of the presented information, the author assumes no responsibility for any errors, missing information, inaccuracies, or inconsistencies.

Correlation Section:

1. What type of data are you working with?

Interval-There is no true zero, there are equal intervals throughout the scale, and negative scores are possible (i.e. 80.5 degrees Fahrenheit)

Ratio-There are equal intervals throughout the scale, and has a true zero so negative scores are not possible (i.e. 1 marble)

Ordinal-Ranking (i.e. 1st, 2nd, 3rd, and 4th)

Nominal-Categories (i.e. Male/Female)

2. Is the relationship linear, nonlinear, or not applicable?

Linear (i.e. the data points form an almost straight line on a scatterplot)

Nonlinear (i.e. the data points do not form an almost straight line on a scatterplot)

Not applicable/I do not know