G541: Correlation

Question 0

Alternate hypothesis

Answer 0

There will be a significant (pos/neg) correlation between co-variable x and y

Question 1

Range

Answer 1

Biggest-smallest

Question 2

Null hypothesis

Answer 2

There will be no correlation between co-variable x and y. Any relationship is due to chance.

Question 3

Is there an IV & DV

Answer 3

No!!
Uses data which has previously been collected
So can be used when unethical/impractical to manipulate variables

Question 4

Can you infer cause and effect?

Answer 4

NO! Shows a relationship NOT causation

Question 5

Correlation coefficient

Answer 5

Strength of relationship
0-1 positive
-1-0 negative
0 no correlation

Question 6

Ecologically validity

Answer 6

High, no manipulation of variables so naturalistic

Question 7

Mode

Answer 7

Most frequent value

Question 8

Median

Answer 8

Middle value

Question 9

Mean

Answer 9

Ex/n

Average

Question 10

Standard deviation

Answer 10

Shows how spread the data is around the mean (variation among themselves)

Question 11

What is positive correlation

Answer 11

As one co-variable increase the other co-variable also increase

Question 12

Negative correlation

Answer 12

As one co-variable increase the other co-variable decreases