Question

____ means that there is a relationship between two or more variables.
a reliability
b cause - and - effect
c validity
d correlation

Explanation:

• Reliability refers to consistency of a measure, not a relationship between variables.
• Cause-and-effect means one variable directly influences another, which is a specific, stronger claim than just a relationship.
• Validity refers to how well a measure captures the concept it intends to, not a variable relationship.
• Correlation is defined as a statistical relationship between two or more variables.

Answer:

D. correlation