correlational research (pack 2)

Question 1

what is correlational research?

Answer 1

collects data to investigate the extent to which two variables are associated

if two variables are correlated, this means they are associated in a way that shows a trend or pattern

Question 2

how does correlational research collect info?

Answer 2

in the form of data pairs

Question 3

how are data pairs analysed?

Answer 3

to see if there is a relationship between the two co-variables

Question 4

what is a major issue with correlational research?

Answer 4

we cannot infer cause and effect

Question 5

why can we not infer cause and effect?

Answer 5

there has been no control of the other variables

Question 6

what is a positive correlation

Answer 6

high values are associated with high values
OR
low values are associated with low values

Question 7

what is a negative correlation?

Answer 7

high values are associated with low values

Question 8

what is a scatter diagram

Answer 8

a visual representation of a correlational relationship

Question 9

how is the strength of a correlation depicted on a graph?

Answer 9

the straightness of the line of dots

Question 10

how is the direction of a correlation depicted on a graph

Answer 10

the slope of the line of dots

Question 11

what is a correlational coefficient?

Answer 11

any number between -1 and +1

used to tell strength and direction

Question 12

what is considered weak for correlational coefficients?

Answer 12

0.0 to 0.3

Question 13

what is considered moderate for correlational coefficients?

Answer 13

0.3 to 0.7

Question 14

what is considered strong for correlational coefficients?

Answer 14

0.7+

Question 15

what is considered perfect for correlational coefficients?

Answer 15

+1 and -1

Question 16

a researcher MUST measure two co-variables that give what?

Answer 16

a set of quantitative data in pairs

Question 17

what are 3 strengths of correlational research?

Answer 17

1. When difficult due to practical or ethical issues, correlational allows for identification of relationships
2. if relationship is indicated…could be a starting point for stimulating future research
3. requires quantitative data and correlational coefficient is objective to describe strength and direction of variables

Question 18

what are two weaknesses of correlational research

Answer 18

media, governments etc. misuse or misinterpret it, often making huge claims that sound convincing. subjective

as there is little control, cause and effect cannot be established…limits how scientific it is