KIN 401: Lesson 2, Part 3, Correlation

Lesson 2, Part 3: Correlation

Correlation (1)

Correlation (2)

Correlation (3)

Describing Relationships: An Example…

Scatter Plot (1)

Scatter Plot (2)

Direction of Relationship: Positive

Positive Relationship/Correlation

Positive Correlation

Direction of Relationship: negative

Negative Correlation

Negative Relationship/ Correlation (Bad?)

No Correlation

Perfect Correlation

Form of Relationship

Linear Relationship

Strength of Relationship

Correlation Coefficient: Definition

Correlation Coefficients (1)

Pearson's r

A Correlation Example (1)

A Correlation Example (2)

A Correlation Example (3)

A Correlation Example (4)

A Correlation Example (5)

Interpreting Correlation Coefficients

Values of rs

Correlation Coefficient (2)

Interpreting Pearson's r (1)

Interpreting Pearson's r (2)

Interpreting Pearson's r (3)

Coefficient of Determination: The Best One

Coefficient of Determination

Statistical Significance: Do Not Use It!

Correlation and Causation

Regression