anova ecology biology

  1. B

    Which stats test should I use?

    I have an experiment to look at habitat preferences of beetles and the effect of competition. In the first test, a beetle is on his own in an arena and I measured the % of time he spends in each of THREE types of habitat (open, bush and underground). I repeat this experiment with several...
  2. M

    [Statistica - Nested Anova] How to do a two-way nested anova?

    Hi, I'm trying to do a two-way nested anova in Statistica, but the results do not seen to be a two way model. In my study I need to compare if the abundances (of taxa) differ between my 5 sampling units (sites) considering 2 periods (spring and auttumn). So, I have 2 randon factors (site and...
  3. P

    Comparing two factors in five areas

    I recently compared two factors in five different areas testing diversity of one factor against another. (Diversity was made quantitative for comparison using the Simpsons Diversity index) I received a very strong positive correlation between one diversity against another and between areas with...
  4. B

    Need help choosing a statistical method/model

    Hello, I am currently doing a study on the defensive behavior of the European Grass Snake, and I was hoping someone could help me figure out which model to use to analyze my data. I have 3 categories of dependent variables - 1) Pre-Capture Behavior 2) Post-Capture Behavior 3)...
  5. K

    Tamhane's T2 verses Dunnett's C and T3 Post Hoc test

    I have been working really hard to find the answer to this question, but the statistical references I have read all say they won't go into detail about these techniques. They give a citation, but I don't have access to it. I have asked the statistics professor in my department, but he doesn't...
  6. P

    Is One Way ANOVA the proper test that I should use?

    Hi! I have precipitation data ~20 years. For each year, I have the total precipitation for a given month for that specific year. I am trying to find if there there is a statistically significant difference between the years in the total precipitation. I have organized my data such that each...
  7. S

    Comparing two groups of cells - Which test to use?

    So I have a project to compare the formation of junctions of two groups of cell lines - a normal and a mutated one. I have number of junctions formed plotted against time for each group. For example: Normal cells have 3 junctions after 120 seconds, 6 junctions after 180 seconds... The mutated...
  8. T

    Nested test to remedy pseudoreplication

    Hello and thanks for taking the time to read this. Data structure: I have two datasets from two protected areas that differ in protection status. Both areas contain 43 and 37 sites each. Question: I would like to know which test would be the best for testing whether the PA status has...
  9. C

    GW shark study- You give advice on the stats and I give advice on swim spots ;)

    Disclaimer: I am fairly new to the stats side of Ecology, I have carried out a bit of field work in my time but have only come over to the analysis side of things in the last little bit. Please forgive me if my questions seem a little basic- I have to say though that before I posted this...