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Single blinding: when the patient does not know if he/she is getting the drug or placebo
Double blinding: where the patient and the dispensing doctor also does not know whether the patient is getting the drug or placebo
Triple blinding: where the patient, dispenser and the person analyzing the data also does not know the identity of the groups as the ‘therapy’ or ‘placebo’.
Steps in Investigation of an Epidemic: http://www.ihatepsm.com/blog/epidemiology-steps-investigation-epidemic
Tests of Significance: http://www.ihatepsm.com/blog/epidemiology-tests-significance
Monitoring and Evaluation: http://www.ihatepsm.com/blog/epidemiology-monitoring-and-evaluation
Advantages and Disadvantages of Case Control Studies: http://www.ihatepsm.com/blog/epidemiology-advantages-and-disadvantages-c...
Advantages and disadvantages of cohort study: http://www.ihatepsm.com/blog/epidemiology-advantages-and-disadvantages-c...
Basic Concepts in Epidemiology: http://www.ihatepsm.com/blog/epidemiology-basic-concepts
Types of Epidemiological Studies: http://www.ihatepsm.com/blog/epidemiology-types-epidemiological-studies
Differences between Case – control and cohort study: http://www.ihatepsm.com/blog/epidemiology-differences-between-case-%E2%8...
Uses of epidemiology: http://www.ihatepsm.com/blog/epidemiology-uses-epidemiology
Blinding in Experimental Studies: http://www.ihatepsm.com/blog/blinding-experimental-studies
Evaluation of a Screening Test: http://www.ihatepsm.com/blog/epidemiology-evaluation-screening-test