Research Methods: Correlations

Question 1

What is a correlation?

Answer 1

A relationship/link between two co-variables

Question 2

If there is no IV or DV in a correlation, what can’t the researcher do?

Answer 2

Manipulate variables

Question 3

An IV and DV are absent in correlations, what does this mean?

Answer 3

There is no manipulation of variables by the researcher

Question 4

When conducting a correlation, what is the researcher looking for?

Answer 4

A link/relationship between two co-variables

Question 5

If the researcher wants to look for a link or relationship, what must they conduct?

Answer 5

A correlation

Question 6

How do we interpret a correlation?

Answer 6

We look at the strength and the direction of the relationship

Question 7

When presented with a scattergraph, what does the data show?

Answer 7

The strength and the direction of the relationship

Question 8

How is correlational data presented?

Answer 8

On a scattergraph

Question 9

What is the visual representation of a correlation?

Answer 9

A scattergraph

Question 10

What are the three different directions of a correlation?

Answer 10

Positive, negative, zero

Question 11

Positive, negative, and zero are all examples of what?

Answer 11

The direction of a correlation

Question 12

Interpret a positive correlation

Answer 12

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

Question 13

What does a positive correlation show?

Answer 13

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

Question 14

Describe a positive correlation

Answer 14

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

Question 15

Interpret a negative correlation

Answer 15

As one co-variable increases, the other decreases

Question 16

What does a negative correlation show?

Answer 16

As one co-variable increases, the other decreases

Question 17

Describe a negative correlation

Answer 17

As one co-variable increases, the other decreases

Question 18

Interpret a zero correlation

Answer 18

There is no direction of plots/no relationship between co-variables

Question 19

What does a zero correlation show?

Answer 19

There is no direction of plots/no relationship between co-variables

Question 20

Describe a zero correlation

Answer 20

There is no direction of plots/no relationship between co-variables

Question 21

What does one point on a scattergraph represent?

Answer 21

Two scores from one participant

Question 22

What does one plot on a scattergraph represent?

Answer 22

Two scores from one participant

Question 23

What are the two different strengths of a correlation?

Answer 23

Strong/Weak

Question 24

Strong/Weak are examples of what?

Answer 24

The strength of the correlation

Question 25

What is meant by the strength of a correlation?

Answer 25

How close each plot is to each other and the line

Question 26

What is meant by the direction of a correlation?

Answer 26

The direction the plots point to on a scattergraph

Question 27

Interpret a strong correlation

Answer 27

All the points on a scattergraph are close to the line/close together

Question 28

What is meant by a strong correlation?

Answer 28

All the points on a scattergraph are close to the line/close together

Question 29

Describe a strong correlation

Answer 29

All the points on a scattergraph are close to the line/close together

Question 30

Interpret a weak correlation

Answer 30

All the points on a scattergraph are spread far apart and away from the line

Question 31

What is meant by a weak correlation?

Answer 31

All the points on a scattergraph are spread far apart and away from the line

Question 32

Describe a weak correlation

Answer 32

All the points on a scattergraph are spread far apart and away from the line

Question 33

Exam tip: What must you comment on when asked to interpret a correlation?

Answer 33

The strength AND the direction

Question 34

What is meant by a correlation co-efficient?

Answer 34

It is the result from a correlation statistical test (numerical version of a correlation)

Question 35

What do we call the result of a correlation statistical test?

Answer 35

Correlation coefficient

Question 36

What does a correlation co-efficient show?

Answer 36

The strength of a correlation (strong/weak)

Question 37

What does a correlation co-efficient of -1 show?

Answer 37

Strong negative correlation

Question 38

What does a correlation co-efficient of +1 show?

Answer 38

Strong positive correlation

Question 39

When writing a correlation, what things must we include?

Answer 39

Relationship/Link, Co-variables

Question 40

What is the main criticism of a correlation?

Answer 40

Cannot establish cause and effect

Question 41

Identify the strength and direction from this image

Answer 41

Strong negative

Question 42

Identify the strength and direction of this correlation

Answer 42

No correlation

Question 43

Identify the strength and direction of this correlation

Answer 43

Strong positive

Question 44

Identify the strength and direction of this correlation

Answer 44

Strong negative

Question 45

Identify the strength and direction of this correlation co-efficient

Answer 45

Weak negative

Question 46

Identify the strength and direction of this correlation co-efficient

Answer 46

Weak positive

Question 47

Identify the strength and direction of this correlation co-efficient

Answer 47

Strong negative

Question 48

Identify the strength and direction of this correlation co-efficient

Answer 48

Strong positive

Question 49

Identify the strength and direction of this correlation co-efficient

Answer 49

No correlation