Correlations Flashcards

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1
Q

What does a correlation show?

A

A link between variables
Known as co-variable1 and co-variable2
There is no IV and dv therefore no manipulation of variables by the researcher

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2
Q

What’a a positive correlation?

A

As one co-variable increases so does the other co variable

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3
Q

What’s a negative correlation?

A

As one co-variable increases the other co-variable decreases

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4
Q

What’s a zero correlation?

A

There is no relationship between the co-variables

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5
Q

IMPORTANT

A

One point on a scattergram represents 2 scores from one ppt so if u are asked how many ppt count the points

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6
Q

Strong correlation?

A

If all the points are close to the line

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7
Q

Weak correlation?

A

Points are spread far apart and away from the line

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8
Q

What’s correlation coefficient?

A

-A results from a correlation statistical test wich tells us how strong/weak correlation is
-range from -1 to +1 the closer to 0 the weaker the correlation

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9
Q

Anything above -0.5/+0.5 is?

A

Strong correlation

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10
Q

Anything below -0.5/+0.5 is?

A

Weak correlation

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11
Q

A strength of correlation analysis AO3

A

-no manipulation of variables appropriate to use when studying sensitive issues that may raise ethical issue or when it would inappropriate to manipulate a situation
-whereas in an experiment it would be impractical and unethical to investigate a cause and effect

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12
Q

Limitation for correlation analysis AO3

A

-difficult to establish cause nd effect between 2 variables as only relationship is found between 2 variables
-therefore other ev could have been responsible for relationship found
-lowers the interval validity

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