Correlation Flashcards

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1
Q

What is a positive correlation?

A

As one co-variable increases, so does the other

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2
Q

What is a negative correlation?

A

As one co-variable increases, the other decreases

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3
Q

What does no correlation mean?

A

There is no apparent relationship between the two co-variables

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4
Q

What is a research question?

A

A broad question about the concept being investigated. They must have a question mark

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5
Q

What are a research aim?

A

Identifying a more specific concept within the research question which the researcher wants to investigate.

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6
Q

What is a two-tailed correlational hypothesis?

A

When a significant relationship/correlation is identified, but no indication is given to the direction this relationship will take.

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7
Q

What is a one- tailed correlational hypothesis?

A

Indicated that the researcher expects that the result will go in a particular direction

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8
Q

What is primary data?

A

Data collected directly from the participant by the researcher

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9
Q

What is secondary data?

A

Data that has already been gathered by someone other than the researcher

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10
Q

What graph is normally used for correlational data?

A

Scatter graphs

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11
Q

What value would indicate a perfect positive correlation and a perfect negative correlation?

A

1 = positive
-1 = negative

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12
Q

What values indicate a strong correlation?

A

-1 to -0.5 or 0.5-1

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13
Q

What values indicate a weak correlation?

A

-0.5 to 0.5

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14
Q

What value indicates no correlation?

A

0.0

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15
Q

What are three advantages of correlational studies?

A

They can tell us something new about the strength and direction of the relationship between the variables
They are a useful technique when either practical or ethical reasons mean that variables cannot be manipulated
They are a good starting point for research

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16
Q

What are the three disadvantages of correlational studies?

A

They do not tell us anything about cause and effect
They will not always pick up a relationship between two co-variables
They do not collect any qualitative data