This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
Association can be measured by all of the following except 
Select and explain. 
A. Correlation coefficient, B. Cronbach's Alpha, C. P value, D. Odd's ratio
B: Cronbach's Alpha
Answer: B: Cronbach's Alpha 
Explanation: Ref:Park's Textbook of Preventive and Social Medicine 25th Ed