Correlation analyses are used for:
A) construction of data collection instruments such as scales.
B) describing the strength and direction of a relationship between variables.
C) determining if a relationship between variables is statistically significant.
D) all of the above

Question

Quizplus · Accepted Answer

Correlation analyses are used for all three purposes: 
A) constructing data collection instruments such as scales by examining the relationships between items and overall scores.
B) describing the strength and direction of a relationship between variables by calculating correlation coefficients that can range from -1 (perfect negative correlation) to 1 (perfect positive correlation) with 0 indicating no correlation.
C) determining if a relationship between variables is statistically significant by conducting significance tests to determine if the correlation coefficient is significantly different from 0.

Correlation Analyses Are Used For