Correlations

Question 1

what is a correlation?

Answer 1

looking for a relationship between 2 things
-using quant data
-can use primary or secondary data
No IV or DV just co-variables

Question 2

what are the 3 types of correlation?

Answer 2

positive, negative, no-correlation

Question 3

what is a positive correlation?

Answer 3

as 1 variable increases, so does the other one-not at the same time

Question 4

what is the correlation coefficient for positive correlations?

Answer 4

perfect positive +1

Question 5

what direction does a positive correlation go on a graph?

Answer 5

rightwardly up- /

Question 6

what is a negative correlation?

Answer 6

as 1 variable increases,the other decreases-not at the same rate

Question 7

what is the correlation coefficient for negative correlations?

Answer 7

perfect negative -1

Question 8

what direction does a negative correlation go on a graph?

Answer 8

leftwardly up- \

Question 9

what is a no correlation?

Answer 9

if no line of best fit can be drawn then there is no correlation/zero correlation- points scattered

Question 10

what is the correlation coefficient for no correlation?

Answer 10

0

Question 11

what does no correlation look like on a graph?

Answer 11

scattered points

Question 12

what are STRENGTHS of a correlation?

Answer 12

• allows research which would be unethical/impossible to do otherwise
• able to find relationships we never knew existed
• make use of existing data-quick and easy way to carry out research
• high mundane realism/eco validity-little manipulation of behaviour
• procedure can be repeated

Question 13

what are WEAKNESSES of a correlation?

Answer 13

• cannot assume cause and effect-strong correlation between variables may be misleading
• may lack validity-extraneous variables
• lck of correlation may mean no relationship-could be non linear