correlations

Question 1

define correlation

Answer 1

shows the strengths and direction of association between 2 co variables

Question 2

what type of graph are correlations plotted on

Answer 2

scatter gram

Question 2

what type of graph are correlations plotted on

Answer 2

scatter gram

Question 3

define positive correlation

Answer 3

as one co variable increases the the other co variable also increases

Question 4

define negative correlation

Answer 4

as one co variable increases the other co variable decreases

Question 5

define an experiment

Answer 5

researcher manipulates the IV to measure the effect on the DV therefore causes and effect can be established

Question 6

why is it not possible to establish cause and effect with a correlation

Answer 6

there is no manipulation of the IV and another untested variable may be causing the intervening variable

Question 7

how do you test the strength of a correlation

Answer 7

calculate the correlation coefficient to show how strong the association is between the 2 co variables

Question 8

evaluate correlations

Answer 8

+ useful as a preliminary tool to assess the strength of a relationship
+ suggests ideas for later research
+ quick and economical to carry out
- cannot demonstrate cause and effect
- intervening variable
- can be misinterpreted for people’s advantage

Question 9

how do you spot correlational studies

Answer 9

association
relationship
correlation

Question 10

what is the name of correlations that don’t use a straight line of best fit

Answer 10

curvilinear relationships