Data Everywhere!

Hi team,

A couple quick notes before we delve into the blog:

  • Kara will be in the lab or in her office on Friday, May 15 from 12 – 4pm to answer stats questions.
  • Please turn in all receipts to Brendan, and he will work on making our budget estimate more exact. Kara knows of a great statistics book that we could buy and leave for future EVE180 generations if we have an extra $60.
  • Hypotheses, methods, and results for our papers are due next Wednesday in class.


We started class with some updates to discuss what was accomplished on Monday and Tuesday. The updates were that the float data insects have been checked by Sonja, Michael, and Ash and the data is now online. Data for gravimetric water analysis has been collected and entered.  Data for the plating experiment is also being entered. Oyster mushrooms are in the dumpster and in Jason’s backyard. The growth chamber is halfway clean. Alec has compiled a lot of our data into one spreadsheet (located in the dropbox).

So much compiled data!

So much compiled data!

Peer review

After sharing updates, we launched into peer review for our revised hypotheses homework. We picked people to work with and spent the first 10 minutes swapping papers and writing comments. For the assignment, we were supposed to state our hypotheses and identify how we would test each hypothesis. When reviewing each other’s work, we asked: Is the hypothesis specific and testable? Are the proposed analyses appropriate? After the 10 minutes of quiet review, we had time to discuss with our partners about what went well, what could be improved, and what we needed more help on.


After our peer review in partners, we had a class discussion. Kara mentioned that if you choose to use the same analyses as before, be sure to run them again because there have been data updates. Also, when running your stats, you don’t want to stick a bunch of terms into a test because then you are less likely to see an actual effect of what is significant. Lastly, Kara will probably email us an example of a whole model selection thought process, and Ash will draw a picture about interactions for everybody and put it in the dropbox.

Ash’s presentation

Ash presented on ways to present analyses in scientific papers. This was a really helpful presentation that took us through the process step-by-step. The PowerPoint is edited and is now in the dropbox—it is a great reference if you need it!

Lab time

To finish up our class period, we broke off into groups and tackled some lab tasks. One group finished floating the samples, and the insects for each floated sample were checked right away by Sonja. Another group developed and implemented a plan for the emergence traps.

Between today and Monday, we need to:

  • Finish setting up the emergence traps
  • Get help with statistics if we need it
  • Start on our hypotheses, methods, and results

Agenda for Monday:

  • 2:10 – 2:30 : Updates
  • 2:30 – 3:50 : Statistics work time and getting questions answered
  • 3:50 – 4:00 : Break
  • 4:00 – 5:00 : Lab work time and cleaning up the lab

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