Experimental Design B/C

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twiggy_7
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Re: Experimental Design B/C

Post by twiggy_7 » April 1st, 2010, 8:05 pm

uggg experimental design at my regionals was a nightmare!!! the proctor went to the wrong college so everyone was unsupervised for 30 minutes until they found a new one so we only had 25 minutes to do the experiment and write up. Then our materials were what they could find in the room; cups of water pippetes and some change out of the proctors pocket =\ so we had 2 share the coins. :x
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Re: Experimental Design B/C

Post by Avis_de-Incendia » April 2nd, 2010, 5:19 am

twiggy_7 wrote:uggg experimental design at my regionals was a nightmare!!! the proctor went to the wrong college so everyone was unsupervised for 30 minutes until they found a new one so we only had 25 minutes to do the experiment and write up. Then our materials were what they could find in the room; cups of water pippetes and some change out of the proctors pocket =\ so we had 2 share the coins. :x
Ah, the same happened to us at invitationals, but they postponed the event until near the end of the day...I think in these situations the event should just be cancelled. >>
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Re: Experimental Design B/C

Post by Helix_Nebula_Freak » April 2nd, 2010, 10:59 am

Avis_de-Incendia wrote:
twiggy_7 wrote:uggg experimental design at my regionals was a nightmare!!! the proctor went to the wrong college so everyone was unsupervised for 30 minutes until they found a new one so we only had 25 minutes to do the experiment and write up. Then our materials were what they could find in the room; cups of water pippetes and some change out of the proctors pocket =\ so we had 2 share the coins. :x
Ah, the same happened to us at invitationals, but they postponed the event until near the end of the day...I think in these situations the event should just be cancelled. >>
That's HORRIBLE, twiggy_7!!!!!!! But at least everyone's in the same boat right? I mean it was hard for everyone.... One of the nice things about SO, I think, is that it's not how well you do that matters, it's how well you do compared to everyone else.

I agree with Avis de-Incendia, though. They should have canceled....
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Re: Experimental Design B/C

Post by Kroo » April 2nd, 2010, 12:59 pm

Anyone mind elaborating on the qualitative observations? The rubric asks for observations about results, procedure/deviations, results/experiment not directly relating to DV, and throughout the course of the experiment.

By observations, does it simply mean... quirks in the experiment? What exactly is it asking for?
For the observations on the results given, would you just give the extremes of your data?
For observations about procedure/deviation, would you just write about possible errors, but save the elaboration for the errors section?
For observations about results/experiments not directly relating to DV, would you just describe some interesting things noticed while running the experiment?
What's an example of observations given throughout the course of the experiment? How would the judges tell if your observations were "throughout the course of the experiment"?

Also, in the errors section, it asks for "Important info about data collection given." What is it asking for? How does that relate to errors?

Thanks a bunch.

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Re: Experimental Design B/C

Post by packer-backer91 » April 2nd, 2010, 9:55 pm

Kroo wrote:Anyone mind elaborating on the qualitative observations? The rubric asks for observations about results, procedure/deviations, results/experiment not directly relating to DV, and throughout the course of the experiment.

By observations, does it simply mean... quirks in the experiment? What exactly is it asking for?
For the observations on the results given, would you just give the extremes of your data?
For observations about procedure/deviation, would you just write about possible errors, but save the elaboration for the errors section?
For observations about results/experiments not directly relating to DV, would you just describe some interesting things noticed while running the experiment?
What's an example of observations given throughout the course of the experiment? How would the judges tell if your observations were "throughout the course of the experiment"?

Also, in the errors section, it asks for "Important info about data collection given." What is it asking for? How does that relate to errors?

Thanks a bunch.

talk about things you see and hear, make comment if you see something unexpected [spontaneous combustion], to give you some help on a possible idea to do is to have a beginning, middle, and end on your report and just put as much observations that you see. This area is hard to be wrong in as long as your observations don’t have numerical values to them and have some obvious thought behind them you will get full or partial points for this area.

For errors part, say what the error was due to and explain they this anomaly is valid to be considered when viewing the overall results of the experiment [ie why is it valid to "throw out" an outlier from analysis]. Definitely explain what was the cause of your deviation and how the set up was some how responsible for the creation of such data points.
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Re: Experimental Design B/C

Post by xynon321 » April 8th, 2010, 11:04 am

My partner for experimental design refuse to learn all the steps!!!!! I completed a whole experiment with one second left over, I'm worried that i won't have enough time to finish the experiment at sate!!!!!!!!!!!!

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Re: Experimental Design B/C

Post by Spideychief4 » April 8th, 2010, 12:42 pm

Chances are, that you will have a ball as one of your materials. So you can probably prepare beforehand for these.
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Re: Experimental Design B/C

Post by zyzzyva980 » April 8th, 2010, 2:33 pm

xynon321 wrote:My partner for experimental design refuse to learn all the steps!!!!! I completed a whole experiment with one second left over, I'm worried that i won't have enough time to finish the experiment at sate!!!!!!!!!!!!
You should see if you can get another partner, it's not that hard of an event to do. If you can't (even if you do), be sure to make sure everyone knows what they're doing beforehand. One person does the experiment, one does the write-up, something like that. Whatever feels comfortable for your group.
Spideychief4 wrote:Chances are, that you will have a ball as one of your materials. So you can probably prepare beforehand for these.
It depends. The two main types of experiments I've had to deal with are physics and chemicals. If there's a physics event, a ball is probably going to be there (ready to start your ramp?). If it's chemicals, a ball would most likely not be involved. I'd prepare for everything, but have a good idea of what you're going to do if, say, a ball was one of your materials, among other things.
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Re: Experimental Design B/C

Post by lllazar » April 8th, 2010, 6:12 pm

Simplicity is good for this event...having a simple event with a good write up is better than wasting like 15 minutes thinking of a fancy experiment.
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Re: Experimental Design B/C

Post by packer-backer91 » April 8th, 2010, 6:19 pm

lllazar wrote:Simplicity is good for this event...having a simple event with a good write up is better than wasting like 15 minutes thinking of a fancy experiment.

that is key to success, actually doing and thinking the experiment should use as little time as possible. there is no point on the rubric of experiment complexity or how creative your are. For this event there is too much to get dune in 50 minutes to have use so much time to come up with an experiment.
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