Exercise #8: What Do You See?
Only for Experts (This one is really hard.)
Can you detect a confirmation bias in either of these studies?
Confirmation bias doesn't occur only in irresponsible publications or biased websites. It can be found in scholarly, peer reviewed journals as well. This is more evidence that you have to look at issues from several sources.
If you can find the confirmation bias in one of these articles, you are a master detective. Can you identify exactly what the bias is?
Notice that he two articles contradict each other.
DeStefano, F., Bodenstab, H. M., & Offit, P. A. (2019). Principal controversies in vaccine safety in the United States. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America. https://academic.oup.com/cid/advance-article-pdf/doi/10.1093/cid/ciz135/28493493/ciz135.pdf
Tomljenovic, L., & Shaw, C. A. (2011). Do aluminum vaccine adjuvants contribute to the rising prevalence of autism? Journal of Inorganic Biochemistry, 105(11), 1489–1499. https://vaccinesafetycommission.org/pdfs/24-2011-Inorg-Bio-Autism-AI-Shaw.pdf
Hint: Roll the cursor over this line to see the hint-- Do a Google search for Tomljenovic.