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Video Links

Interpreting Correlations in Correlation Matrix

This video describes how to interpret correlation coefficients in a correlation matrix in research studies (5:54).

Correlation Versus Causation

Short video on the difference between correlation and causation (2:18).

Pearson’s r

Describes Pearson’s r correlation and provides examples using data, scatterplots, and formulas (4:02).

Spearman Correlation

Describes Spearman correlation and provides examples using data, scatterplots, and formulas (3:12).

Correlation and its Importance

This animation discusses correlation, its analysis, coincidental occurrence of events, and types of correlation (9:19).

TED Talk: Correlation Between Cues and Beliefs

An interesting TED Talk by psychologist David Pizarro demonstrates a correlation between sensitivity to disgusting cues and moral and political beliefs (13:59).

 

Audio Links

Correlation and Causation

This NPR podcast discusses correlation and causation with Charles Wheelan, author of the book Naked Statistics: Stripping the Dread from the Data (18:08).

 

Web Links

Phi Coefficient

Definition and interpretation of phi coefficient.

Range Restriction Demonstration

This simulation illustrates the effect of restricting the range of scores on the correlation between variables.