This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Statistical Graphs, Correlation, Locations, Subject name: Social & Preventive Medicine
Association can be measured by all except: 
Select and explain. 
A. Correlation coefficient, B. Cronbach's alpha, C. P value, D. Odds ratio
B: Cronbach's alpha
Answer: B: Cronbach's alpha 
Explanation: Association: is any relationship between two measured quantities that render them statistically dependent Association can be measured by Correlation coefficient Odds ratio Good man's and kruskal's Lambda P value Conbach's alpha: is a measurement of internal consistency or reliability. It is paicularly useful in Like scales (grading of continuum)