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This is an excellent introduction to the basics of epidemiology. I took it at the testing time of COVID-19 to be able to critique the evidence presented in the vast body of news coverage. The course structure is well balanced and key epidemiology basics covered. The explanations to concepts are very clear, often with reference to real-life examples for easier understanding. The course slides are detailed but concise, with key information highlighted. The additional reading provides useful extracurricular materials in greater depth. After learning this course, I find myself more confident in reading publications on public health studies for my work in air quality, which is such a wonderful reward for following through this course. Many thanks to Drs Alexander and Yeatts! One of my suggestions for improvement would be to provide detailed explanations to the questions in the weekly quizzes. Currently reviewing the answered questions does not provide any informative feedback apart from right or wrong - it does not even show my answers, which is not very helpful for effective learning from the mistakes. Another suggestion may be to add sample size calculations for each study design? However, these are really minor comments, compared with the great materials the two instructors prepared. Once again, thanks very much!

Overall this was a good course! There were good topics in each module, and modules were organized in a logical sequence.

Some of the modules (especially those dealing with statistical analysis) were a bit confusing and I had to research a bit more to fully understand them. Also, some of the quiz questions were complicated to understand due to the answer types, phrasing, and they contained information not covered in that specific module.

But, overall it was an enjoyable course that allowed for a basic understanding of epidemiology and its role on public health. The videos' lengths were adequate, most concepts were explained thoroughly and effectively, and the facilitators did a good job of providing enough examples to further explain the application of each concept.

Excellent introduction to a broad subject. Clear, concise and well structured. Three suggestions of improvements:

1) Please share the slides separately as a course companion.

2) The quizzes requires some improvement and why don’t provide explanations for some of the answers - specially those with multiple choices to get the full point on the question

3) Some More concrete examples and more exercises (homework) would be extremely useful in the chapter of understanding measures of disease frequency and Measures of association. Granted it requires more Maths (statistics and probability) understanding but that’s the whole point of those chapters.

Thanks again, truly enjoyed.

The course gives an overall good introduction to epidemiology applied to public health. The classes are well structured and the basic concepts are cleary explained, providing a more pratical insight on the uses and importance of clinical and epidemiological studies to public health. In my opinion, the course fill its purpose which is to give an basic introduction to epidemiology.

However, considering its six weeks long duration, I think that it may be suitable to add facultative activities (videos or even supplemental material) to provide those who want to go deeper a more complete learning experience.