Research is hard work. Researchers may spend months, years, or even decades collecting data. Sometimes when researchers analyze that data and try to present it in a handful of published pages, it can be difficult to include every single thing they did, or to discuss all the problems they encountered in the experiment or study.
Luckily, we know that it is good to ask more questions, even of published research. Doing so gives you practice in critical thinking, a skill that is beneficial in any endeavor. After you read "Germs May Decrease Our Chances of Disease" and maybe try your hand at the original article, "Hygiene and the world distribution of Alzheimer's disease," think of some potential questions about the data, hypotheses, and conclusions that the researchers presented and see if you can come up with any holes in the study. Print out or copy down the questions below and think or write out your answers. When you’re done, visit our “Digging Deeper: Germs and Disease” PDF to see what we came up with.
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Additional images via Wikimedia Commons.
Alex Biera. (2017, January 05). Digging Deeper: Germs and Disease. ASU - Ask A Biologist. Retrieved September 25, 2020 from https://askabiologist.asu.edu/fr/evmed-edit/germs-old-friends/digging-deeper
Alex Biera. "Digging Deeper: Germs and Disease". ASU - Ask A Biologist. 05 January, 2017. https://askabiologist.asu.edu/fr/evmed-edit/germs-old-friends/digging-deeper
Alex Biera. "Digging Deeper: Germs and Disease". ASU - Ask A Biologist. 05 Jan 2017. ASU - Ask A Biologist, Web. 25 Sep 2020. https://askabiologist.asu.edu/fr/evmed-edit/germs-old-friends/digging-deeper