Chief Delphi - How biased are CD polls

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- General Forum (http://www.chiefdelphi.com/forums/forumdisplay.php?f=16)

- - How biased are CD polls (http://www.chiefdelphi.com/forums/showthread.php?t=143630)

evanperryg

11-02-2016 23:07

Re: How biased are CD polls

Quote:

Originally Posted by Bryce2471 (Post 1538762)

A couple more things that this poll does not account for:

*snip*

Also, keep in mind that this is only recording a team's first event. We got knocked out in quarters at our first event because of some really bad luck, then made it to finals at our second event, won chairman's and went to Einstein. The first event alone is hardly a metric for a team's overall performance in a given season.

MikLast

12-02-2016 00:55

Re: How biased are CD polls

Would you count a backup team going to a final (without being in any other match in that events playoffs) count as being eliminated in the final? If not then it would be just quarterfinals for us.

Koko Ed

12-02-2016 05:14

Re: How biased are CD polls

The CD community is just a small very vocal sampling of the overall FIRST community. Many are either too intimidated or think CD is just a colossal waste of time to participate. CD should not be a representative of the pulse of the FIRST community in any way, shape or form.

Taylor

12-02-2016 07:20

Re: How biased are CD polls

I believe Chief Delphi-posting teams are

1. Better than the average team
2. Not as good as they think they are*

*obvious exemptions apply

Caleb Sykes

12-02-2016 09:36

Re: How biased are CD polls

Quote:

Originally Posted by MikLast (Post 1538968)

Would you count a backup team going to a final (without being in any other match in that events playoffs) count as being eliminated in the final? If not then it would be just quarterfinals for us.

I personally would count this. If you look at my numbers that I ran in my second post, you will see that there were two more finalists last year than winners. Your team is probably one of those, so I think you have every right to say you were a finalist.

mjc49

12-02-2016 11:10

Re: How biased are CD polls

Quote:

Originally Posted by evanperryg (Post 1538933)

I believe it is fair to ask for results in the first tournament since there are teams that only participate in one event a year. As others have mentioned, CD is just a subset of the overall FIRST community and the group tends to come from teams that do better than average. Probably better than average mentor and sponsor support as well.

Caleb Sykes

12-02-2016 13:53

Re: How biased are CD polls

Does anyone have a good estimate for the number of 2016 rookies?

Conor Ryan

12-02-2016 14:01

Re: How biased are CD polls

After 318 votes, I think the results are pretty accurate for what the CD user base is.

Average CD user probably is in the range of the 40th-80th percentile of performance.

Lots of hive mind here, and frequent repeated mistakes in design and strategy, as evidenced by the Karthik scared discussion. The highest performers buck the trend continuously.

Citrus Dad

12-02-2016 18:47

Re: How biased are CD polls

Quote:

Originally Posted by RoboChair (Post 1538746)

If we assume that a fixed percentage of all FRC students and mentors are active on CD, having a larger team will disproportionately give them more votes.

On top of that, successful teams often have a greater percentage of CD members that are active then teams that are more the norm.

Devin, ditto! I was just going to say the same thing. We have at least a half dozen from our team posting on CD...

pntbll1313

13-02-2016 11:19

Re: How biased are CD polls

Quote:

Originally Posted by Citrus Dad (Post 1539366)

Devin, ditto! I was just going to say the same thing. We have at least a half dozen from our team posting on CD...

That's exactly what we're trying to show with this poll. That poll's aren't a good representation of average teams because the biggest and elite teams have many members filling in the same poll skewing the results.

alopex_rex

13-02-2016 12:03

Re: How biased are CD polls

When has any online poll been a good representation of anything?

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