4. Truth is what works at the time; it is not based in a strict dual-ism between the mind and a reality completely independent of the mind. Thus, in mixed methods research, investigators use both quantitative and qualitative data because they work to provide the best understanding of a research problem.
People who drink water or use ice made from places where Giardia may live (for example, untreated or improperly treated water from lakes, streams, or wells) Backpackers, hikers, and campers who drink unsafe water or who do not practice good hygiene (for example, proper handwashing)
In the United States, only 1 or 2 out of every 10,000 people have Giardia in a typical year, but the infection is found in about 1 out of 3 people who have prolonged diarrhea symptoms if they have recently traveled to a developing country.