Correlations Flashcards
Examples of non-experimental research methods
Case studies
Surveys
Archival research
Correlational studies
Definition of a correlation
measures the extent to which two variables are related
Strength of a correlation
Strong, moderate or weak
Positive or negative
Positive correlation
high scores on one variable are associated with high scores on another
Negative correlation
low scores on one variable are associated with high scores on another
Correlations are used to…
establish association between variables
Measures of correlation
Correlation coefficients describe the strength and direction of the relationship between two variables
Bivariate correlation
a relationship with only two variables
Multivariate
a relationship with over 2 variables