Which of the following is true about the Pearson product moment correlation?

ANS: B
Correlational analyses are performed to identify relationships between or among variables. Variables can vary (change in different directions) or change in the same direction.
The Pearson product moment correlation does not determine relationships between a set of predictors and one outcome. Correlational analyses are performed to identify relationships between or among variables. Variables can vary (change in different directions) or change in the same direction.
It measures the extent of relationship between two variables or among variables. Correlational analyses are performed to identify relationships between or among variables. Variables can vary (change in different directions) or change in the same direction.
Data do not need to be nominal level for this statistic. Correlational analyses are performed to identify relationships between or among variables. Variables can vary (change in different directions) or change in the same direction.