Correlations Flashcards

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1
Q

Define correlation

A

A relationship between 2 variables

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2
Q

Define correlational design

A

A way to test a relationship between 2 variables

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3
Q

What are the two variables being tested called?

A

Co-variables

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4
Q

What are the 5 types of correlation?

A
  • Positive
  • Strong positive
  • Negative
  • Strong negative
  • No correlation
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5
Q

What is the mathematical value for a correlation called?

A

A coefficient

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6
Q

What is the measurement for a coefficient

A

-1.00 to +1.00

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7
Q

What does - represent?

A

A negative correlation

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8
Q

What does + represent?

A

A positive correlation

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9
Q

How does a coefficient show a correlation?

A

The higher the number, the stronger the correlation (whether it be negative or positive)

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10
Q

What does a value of 0.00 mean?

A

There is no relationship between the variables

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11
Q

What does a value of +1.00 mean?

A
  • A perfect positive correlation
  • E.G. The more you work, the more money you get
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12
Q

What does a value of -1.00 mean?

A
  • A perfect negative correlation
  • E.G. The more money you spend, the less you have
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13
Q

What are the features of a correlational hypothesis?

A
  • No manipulation of variables
  • Operationalise both variables
  • There will be a relationship (non-directional)
  • There will be a positive/negative relationship (directional)
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14
Q

What does correlation not equal?

A

CAUSATION

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15
Q

Define a third variable

A

A variable which could cause a relationship between two unrelated variables

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