Experimental Design B/C

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Experimental Design B/C

Postby robotman » August 22nd, 2015, 2:47 pm


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Re: Experimental Design B/C

Postby Entomology » September 17th, 2015, 2:14 pm

First year of Experimental design! Can anyone give me some pointers?
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Re: Experimental Design B/C

Postby Panda Weasley » September 17th, 2015, 4:54 pm

Entomology wrote:First year of Experimental design! Can anyone give me some pointers?

First off: Yay!

I did ExpDes for 3 years in B, and the biggest piece of advice I can give you is practice with your partner(s) often. You would be surprised how much of a difference it makes to know the people you are competing with and know each others strengths. Know who is good at what so that if you get pressed for time during the competition you can split up the work and trust it will be done accurately and well. This is also true with any event.
My other piece of advice it know the rubric. Don't just know what is on it, know how much each item is worth and what the event leaders want. That way if need be you can skip parts that aren't worth as many points and focus on the sections that are worth lots of points. It's never good to skip things, but if it comes down to it skip the statement of problem, not the graph.
If you need any help feel free to PM me. :D
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Re: Experimental Design B/C

Postby samlan16 » September 17th, 2015, 5:12 pm

Entomology wrote:First year of Experimental design! Can anyone give me some pointers?

My best advice would be to work with your partners every week by doing a practice exam. Try to vary the themes in order to prepare yourself for a wide range of possible materials given. Also, assign everyone specific parts of the report to write so you all know exactly what to do every time.
Remember, we are proud of every team that participated and you are all winners.

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Re: Experimental Design B/C

Postby mvxesque » September 27th, 2015, 3:53 pm

Entomology wrote:First year of Experimental design! Can anyone give me some pointers?

Along with the great advice from the posters above, devote some time to knowing a whole range of science concepts! you don't need to know as much depth about one specific field as some other events, but the limits for expd topics are pretty wide so be prepared for everything and be flexible! ^_^
I personally found 3 member teams so much less stressful, but some schools have 2 member expd teams who have also done super well.
Memorize the rubric, practice, correct, and practice again!
Best of luck to you in all of your events! ^_____^

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Re: Experimental Design B/C

Postby Fluorine » September 27th, 2015, 4:57 pm

mvxesque wrote:
Entomology wrote:First year of Experimental design! Can anyone give me some pointers?

Along with the great advice from the posters above, devote some time to knowing a whole range of science concepts! you don't need to know as much depth about one specific field as some other events, but the limits for expd topics are pretty wide so be prepared for everything and be flexible! ^_^
I personally found 3 member teams so much less stressful, but some schools have 2 member expd teams who have also done super well.
Memorize the rubric, practice, correct, and practice again!
Best of luck to you in all of your events! ^_____^

Having teams who have expansive knowledge basis on different topics helps a ton. I have seen tests cover basic physics, psych or chem topics. Personally our team has run two people for a while and we place top 5 usually at any competition. With two people the timing is a bit harder, so definitely practice to get the timing down. For example when my partner is writing the procedures I do the experiment and compile the data. Ideally everyone should be working on at least some part of the report. Also, it helps if you have people who can write and explain scientific concepts well. A well written simple experiment can easily beat a poorly written complex experiment. As mvxesque said above memorize the rubric too. I usually do this the day before competition, so it is fresh in my mind. This helps a ton especially if the ES gives only an outline instead of a rubric ( I have seen both). Lastly, always be flexible. This can be a hard thing to learn, but practicing will help. Being able to construct graphs, tables or a well-written applications without a perfect experiment can be tricky. But again make it work. I think the combination of these things challenges make Exp. Design an awesome event! Good luck with your events!

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Re: Experimental Design B/C

Postby MP Fan » September 29th, 2015, 11:12 am

The rubric published on soinc.org states that Graphs are worth 12 points, but the Experimental Design Checklist in the rules book states that Graphs are worth 10 points. Which is it? 10 or 12?

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Re: Experimental Design B/C

Postby Panda Weasley » September 29th, 2015, 1:38 pm

MP Fan wrote:The rubric published on soinc.org states that Graphs are worth 12 points, but the Experimental Design Checklist in the rules book states that Graphs are worth 10 points. Which is it? 10 or 12?

Are the rules state specific? Sometimes states will change things in events. I would go by what is in the rules (10) since that is what the event leaders will most likely be using at the regional and state competitions. Either way it doesn't affect you as a competitor too much as long as you do a good job on your graph.
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Re: Experimental Design B/C

Postby Skink » September 29th, 2015, 2:56 pm

The rules manual always wins. The materials posted on the National site are not extensions thereof; there's a disclaimer to that effect somewhere. Note that the ten is bolded, which means it's a change new to the 2016 season. I'm sure the rubric on the National site will be updated in time.

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Re: Experimental Design B/C

Postby samlan16 » September 29th, 2015, 4:17 pm

Skink wrote:The rules manual always wins. The materials posted on the National site are not extensions thereof; there's a disclaimer to that effect somewhere. Note that the ten is bolded, which means it's a change new to the 2016 season. I'm sure the rubric on the National site will be updated in time.

The rubric MP is referring to is from the 2014 season. A new one should be posted soon to reflect updates.
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Re: Experimental Design B/C

Postby mvxesque » October 1st, 2015, 2:26 am

Do you guys have any idea how supervisors finally differentiate the top few scorers?
My team and I consistently score in the top 5, but we can never break it to the top even with memorizing the rubric and everything.
We have no idea how to improve beyond the scope of making sure every part of the rubric is checked off in our lab analysis.
Thanks! ^_^

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Re: Experimental Design B/C

Postby brayden box » October 2nd, 2015, 8:02 am

Maybe they also judge the experiments based an creativity? :?: I have the same problem.
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Re: Experimental Design B/C

Postby samlan16 » October 3rd, 2015, 8:31 pm

brayden box wrote:Maybe they also judge the experiments based an creativity? :?: I have the same problem.

Absolutely not. Take a look at the standardized rubric on soinc.org before speculating.
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Re: Experimental Design B/C

Postby Fluorine » October 3rd, 2015, 9:14 pm

samlan16 wrote:
brayden box wrote:Maybe they also judge the experiments based an creativity? :?: I have the same problem.

Absolutely not. Take a look at the standardized rubric on soinc.org before speculating.

Best suggestion is to up the level of your writing. While also including every thing on the rubric also focus on making sure everything you write flows and is concise. Many parts of the rubric allocate points to the general quality of writing. If you have had the chance to grade experimental design reports (which not many people do) it helps to see how you write something can impact scores.
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Re: Experimental Design B/C

Postby Skink » October 4th, 2015, 8:22 am

There are hundreds of event supervisors for this event nationwide. They will not all sort like scores equally even when using a standardized rubric. Do not expect creativity or, even, scientific merit or your experiment will clear you, as there are always rather ominous reports on this site of a team who, for example, performed the 'correct' (if I was scoring) experiment and was not credited properly for it. As for the specific issue of two like scores, the rules indicate how ties will be broken and in what order. I don't remember offhand, but I suspect it's sections in order for this one. That's where writing quality comes in. It's not that difficult to sort short-answer and essay, as teams vary greatly in how they perform here.
Edit: Also, note that, for higher level competitions, earning three of three or four of four points will likely be considerably harder in the interest of avoiding this problem in the first place.


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