Correlations

Question 1

Types of correlation

Answer 1

postive
negative
zero

Question 2

difference between correlations and experiments

Answer 2

no IV or DV
no manipulation of variables

Question 3

strengths of correlations

Answer 3

useful preliminary tool
quick and economical to carry out, using secondary data

Question 4

weaknesses of correlations

Answer 4

cannot demonstrate cause and effect
the third variable problem (intervening variable)
misuse and misinterpretation

Question 5

correlation coefficients

Answer 5

relationship between two continious co-variables
correlation coefficient represents strength and direction of relationship

Question 6

working out what a coefficient means

Answer 6

the closer the coefficient is to -1 or +1, the stronger the relationship