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Correlational Research

Published on Nov 20, 2015

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PRESENTATION OUTLINE

1.

Correlational Research

"casual comparitive & associtional reserach"
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2.

"descriptive research"

describes an EXISTING realationship between 2 things
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3.

Other Key Points

  • related by a correlation coefficient
  • purpose- to explain important human behaviors
  • can predict likely outcomes
  • can show cause and effect- but not always
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4.

Causation is STRENGTHENED if time lapse occurs between measurements

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5.

Example:

High school grades as predictors of.......
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6.

Vocabulary

  • scatter plots
  • regression line
  • coefficient = r
  • sample- 30 or more data points
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7.

Coefficient

  • + 1.00 perfect correlation
  • -1.00 no correlation
  • .70 - .80 are high
  • education correlation .40- .60
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8.

Multiple Regression

3 or more variables
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9.

Researchers need to be mindful of explanations for relationships in their research- misinterpretations of the correlation

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Gretchen Kleinsasser