Search found 6 matches

by BipolarEconomist
March 20th, 2014, 9:56 pm
Forum: 2014 Study Events
Topic: Astronomy C
Replies: 132
Views: 25776

Re: Astronomy C

Do you guys recommend memorizing DSOs? I know that a lot of our competition this year is going to be centered around the DSOs, but I'm bringing a laptop and binder with the SciOly wiki's charts with the information on DSOs with me, so I think I should be OK. Also, I noticed that a lot of questions t...
by BipolarEconomist
March 20th, 2014, 9:54 pm
Forum: 2014 Study Events
Topic: Disease Detectives B/C
Replies: 83
Views: 19682

Re: Disease Detectives B/C

Hello! With states soon approaching, I have some last minute questions with which I'm a bit obscure. First, an someone clarify what exactly the epidemiological triad is? I thought it was person/place/time, but there's now something called a chain of transmission/infection triad, and that's getting s...
by BipolarEconomist
March 20th, 2014, 9:46 pm
Forum: 2014 Study Events
Topic: Geologic Mapping C
Replies: 78
Views: 26301

Re: Geologic Mapping C

I was looking at the Yale Invitational, and I couldn't figure out how to solve a few questions. Can anyone help me/give a few pointers? Here are the questions: 1. A bed dips at an angle of 35 degrees east. The surface of the ground is level, and the distance between the upper and lower contacts of t...
by BipolarEconomist
February 12th, 2014, 5:15 pm
Forum: 2014 Study Events
Topic: Astronomy C
Replies: 132
Views: 25776

Re: Astronomy C

Does anyone have any suggestions for how to do some more "advanced" studying for this event? I've already committed the DSOs and their drawings to memory, along with knowledge of H-R diagrams, stellar types and life cycles, as well as some equations. However, I just feel as if I haven't studied enou...
by BipolarEconomist
February 12th, 2014, 5:02 pm
Forum: 2014 Study Events
Topic: Disease Detectives B/C
Replies: 83
Views: 19682

Re: Disease Detectives B/C

@GrayEpi: Let me tell you just how delighted and grateful that you are here. When I joined Science Olympiad at my school, I immediately had the desire to reach a Nationals level of competition. After signing up for this event, I spent a week scouring the SciOly website PowerPoint, memorizing terms, ...
by BipolarEconomist
January 18th, 2014, 7:24 pm
Forum: 2014 Study Events
Topic: Disease Detectives B/C
Replies: 83
Views: 19682

Re: Disease Detectives B/C

Here's some food for thought.

Q: Given a case-control study;

a=exposed case patients,b=control exposed,c=unexposed case patients,d=unexposed control

a=50
b=22
c=43
d=12

Complete the following:
-Calculate the odds ratio.

-What does the odds ratio suggest?

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