/ research sample methods. help!
a study is conducted in to weather tap water or sterile water is better for irrigating wounds.
people chosen for the study are anyone who goes to a and e with a wound they are then randomly allocated to one of the 2 methods.
what kind of sampling is this? because the people are not randomly selected is it a cohort sample?
Elsewhere on the site
The Epicentre Mega Winter Sale starts in store 9am Christmas Eve. We have a great selection of in store only deals from... Read more
F ounded in 1993, Mountain Hardwear are a pretty young mountaineering clothing and equipment manufacturer but are also one of... Read more