Describe how the logging case would be carried out as an intervention (Semmelweis) and describe how the Semmelweis case would have been carried out in a fashion similar to the logging case. Further,...

Describe how the logging case would be carried out as an intervention (Semmelweis) and describe how the Semmelweis case would have been carried out in a fashion similar to the logging case. Further, discuss some threats to inferring cause– effect associated with each design.