Lesson 4- Correlations Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is a correlation?

A

Technique used for analysing the STRENGTH and DIRECTION of the RELATIONSHIP between two variables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a POSITIVE CORRELATION?

A

As one variable increases the other one will also increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a negative correlation

A

As one variable increases the other variable decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the strength of a correlation referred to as?

A

Correlation coefficient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Advantages of correlations

A
  1. Allows strength of a relationship to be established

2.allows researchers to investigate things that could not be manipulated experimentally due to ethical or impractical reasons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Disadvantages of correlations

A
  1. Cause and effect cannot be established
  2. Correlation only measures LINEAR relationships
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Difference between correlations and experiments

A

Experiments establish CAUSE AND EFFECT whereas correlations look for a RELATIONSHIP between co variables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly