•Cronbach’s Alpha:
It is a measure of internal consistency of a test/scale
•Measure that the scale is consistent measure of a concept
•Computed by correlating the score for each item of the scale with the total score for each observation and then comparing
that to the variance of all individual item scores
•It is a f(x) of number of items in a test, average covariance between pair of items, and variance of total score
•Minimum recommended value 0.65-0.8
PSM / COMMUNITY MEDICINE by Dr Abhishek Jaiswal is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at learnpsm@blogspot.com.
Permissions beyond the scope of this license may be available at jaiswal.fph@gmail.com.
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