Correlations Flashcards

1
Q

If an increase in A causes B to also increase what type of correlation is used to describe the relationship?

A

positive

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2
Q

If a decrease in A caused B to increase what type of correlation is used to describe the relationship?

A

negative

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3
Q

The correlation coefficient describes the _______ and _______ of the relationship between A and B

A

strength (closer to -/+ 1.0 the stronger); direction (- or +)

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4
Q

A correlation coefficient of 0.0 or r = 0.00 means ____________?

A

no relationship

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5
Q

A correlation coefficient of 1.0 or r = 1.00 means ____________?

A

perfect relationship

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6
Q

A correlation coefficient (r) of 0.00 - 0.25 describes what kind of relationship?

A

little of no relationship

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7
Q

A correlation coefficient (r) of 0.26 - 0.50 describes what kind of relationship?

A

fair relationship

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8
Q

A correlation coefficient (r) of 0.51 - 0.75 describes what kind of relationship?

A

moderate to good relationship

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9
Q

A correlation coefficient (r) of 0.76 - 1.00 describes what kind of relationship?

A

good to excellent relationship

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10
Q

What is the “r” representing?

A

the correlation coefficient value

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11
Q

How can you determine that there is a negative correlation?

A

the r-value will be negative

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12
Q

What are you looking for in determining that a correlation is positive?

A

looking for a positive r-value

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