Research Methods: Correlations KR Flashcards

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1
Q

What is a correlation?

A

a relationship/link between two co-variables

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2
Q

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

A

Manipulate variables

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3
Q

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

A

there is no manipulation of variables by the researcher

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4
Q

When conducting a correlation what is the researcher looking for?

A

a link/relationship between two co-variables

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5
Q

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

A

a correlation

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6
Q

How do we interpret a correlation?

A

we look at the strength and the direction of the relationship

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7
Q

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

A

the strength and the direction of the relationship

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8
Q

How is correlational data presented?

A

on a scattergraph

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9
Q

What is the visual representation of a correlation?

A

a scattergraph

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10
Q

What are the three different directions of a correlation?

A

Positive, negative, zero

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11
Q

Positive, negative and zero are all examples of what?

A

the direction of a correlation

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12
Q

interpret a positive correlation

A

as one covariable increases, so does the other co-variable

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13
Q

What does a positive correlation show?

A

as one covariable increases, so does the other co-variable

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14
Q

Describe a positive correlation

A

as one covariable increases, so does the other co-variable

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15
Q

Interpret a negative correlation

A

as one co-variable increases the other decreases

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16
Q

What does a negative correlation show?

A

as one co-variable increases the other decreases

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17
Q

Describe a negative correlation

A

as one co-variable increases the other decreases

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18
Q

Interpret a zero correlation

A

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

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19
Q

What does a zero correlation show?

A

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

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20
Q

Describe a zero correlation

A

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

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21
Q

What does one point on a scattergraph represent?

A

two scores from one participant

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22
Q

What does one plot on a scattergraph represent

A

two scores from one participant

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23
Q

What are the two different strengths of a correlation?

A

Strong/Weak

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24
Q

Strong/Weak are examples of what?

A

the strength of the correlation

25
Q

What is meant by the strength of a correlation?

A

how close each plot is to each other and the line

26
Q

What is meant by the direction of a correlation?

A

the direction the plots point to on a scattergraph

27
Q

Interpret a strong correlation

A

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

28
Q

What is meant by a strong correlation?

A

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

29
Q

Describe a strong correlation

A

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

30
Q

Interpret a weak correlation

A

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

31
Q

What is meant by a weak correlation?

A

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

32
Q

Describe a weak correlation

A

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

33
Q

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

A

the strength AND the direction

34
Q

What is meant by a correlation co-efficient?

A

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

35
Q

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

A

correlation Co-effiecient

36
Q

What does a correlation co-efficient show?

A

the strength of a correlation (strong/weak)

37
Q

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

A

Strong negative correlation

38
Q

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

A

Strong Positive correlation

39
Q

When writing a correlational what things must we include?

A

Relationship/Link
Co variables

40
Q

What is the main criticism of a correlation?

A

can not establish cause and effect

41
Q

Identify the strength and direction from this image

A

strong negative

42
Q

Identify the strength and direction of this correlation

A

no correlation

43
Q

Identify the strength and direction of this correlation

A

strong positive

44
Q

Identify the strength and direction of this correlation

A

No correlation

45
Q

Identify the strength and direction of this correlation

A

strong positive

46
Q

Identify the strength and direction of this correlation

A

no correlation

47
Q

Identify the strength and direction of this correlation

A

strong neg

48
Q

Identify the strength and direction of this correlation co-efficient

A

Weak negative

49
Q

Identify the strength and direction of this correlation co-efficient

A

Weak positive

50
Q

Identify the strength and direction of this correlation co-efficient

A

Strong negative

51
Q

Identify the strength and direction of this correlation co-efficient

A

strong positive

52
Q

Identify the strength and direction of this correlation co-efficient

A

no correlation

53
Q

Identify the strength and direction of this correlation co-efficient

A

Weak negative

54
Q

Identify the strength and direction of this correlation co-efficient

A

Weak negative

55
Q

Identify the strength and direction of this correlation co-efficient

A

strong negative

56
Q

Identify the strength and direction of this correlation co-efficient

A

Strong positive

57
Q

Identify the strength and direction of this correlation co-efficient

A

weak positive

58
Q

Identify the strength and direction of this correlation co-efficient

A

weak negative