Sentences with phrase «fair comparison groups»

Not exact matches

Compounding this problem, a fair number of the controls still had sex, albeit at a lower rate than cases, watering down the comparison between the two groups.

But you can't create a comparison group with a similar proportion of Amish & Mennonite folks as the MANA Stats sample in order to make it a fair comparison when leaving them all in.

Thus by interviewing addicts they were picking a group of people who's very disposition for both addiction and violation of the law made them likely to use marijuana and comparing them to a group of people who were not prone to addiction, it was not a fair comparison.

Each Vanguard ETF has its own peer group to ensure a fair comparison to other ETFs with the same investment objectives.

Since I usually play MMOs as single player games besides the occasional PvP, I'd say it's fair to compare the two from that point of view (single player vs. NPC mobs, PvP and group PvE are indeed irrelevant for a comparison).