Correlations

What does a correlation measure?

• a difference

• a relationship

• cause and effect

• nothing

What is a correlation coefficient?

• a random number

• a score that tells you how strong a correlation is?

• a score that tells you the direction and how strong a correlation is?

• a number about the correlation

if a correlation coefficient is 0.7, what is it?

• strong positive

• weak positive

• strong negative

• weak negative

what is a strength of a correlation?

• they have high ecological validity

• they are complicated

• they don't determine cause and effect

• you can test anything with a correlation

what is a weakness of a correlation?

• you can test anything

• they don't show cause and effect

• they have high ecological validity

• they are hard to do

if a correlation coefficient is 0.91, what is the correlation?

• strong positive

• strong negative

• no correlation

• weak positive

if a correlation coefficient is -0.34, what is the correlation?

• strong positive

• no correlation

• weak negative

• strong weak

if a correlation coefficient is 0.5, what is the correlation?

• moderate positive

• moderate negative

• strong positive

• strong

is a correlation a type of experiment?

• yes

• no

is a correlation a type of research study?

• yes

• no