1. T

    Best scenario: unpaired or paired situation?

    I have a few questions, but first let me give you some necessary background of the experiment and the underlying questions. Basically, the design is as follows: 3 independent repeated experiments across different days using different stocks of a cell lineage (clones); One factor called...
  2. W

    paired or unpaired?

    Hi, Need some advice, if I'm comparing species abundance in the same location across two different seasons is this paired or non-paired for Mann-Whitney-U? Thanks in advance
  3. O

    Paired or Unpaired T-test?

    If I have traps set to capture a certain animal at night vs. during the day, would I use a paired or unpaired T-test? I'd be comparing the mean number of species 1 collected during the day with the mean number of species 1 collected at night (using the same trap). Each individual animal is...
  4. E

    Paired data but unequal sample size

    Hi there, I'm not great with statistics so apologies if this is a really silly question. I'm conducting research on women who suffer third degree tears during childbirth. I'm currently looking to compare the rate of tear for women giving birth for the first time, and then the recurrence rate...
  5. L

    Unpaired repeated measures test?

    My dataset is pre- and post-test Likert Scale around an intervention, but it is not matched: it is collected anonymously from the same cohort of students (therefore I assume some small change in who's in class on each testing day). I am struggling with the analysis of this data. I can group...
  6. R

    contingency table: categories are not mutually exclusive, and data is not all paired

    Hi, I'm confused about what test I should be using and hope someone can help. Data: I have data from microbiological samples where the bacteria's sensitivity to various antibiotics was tested. A sample might have been tested for sensitivity to loads of different antibiotics (say up to...
  7. C

    Paired or unpaired test?

    Forum experts, I'm doing some environmental data anlalysis and I'm struggling with the correct statistics approach. I have data from 4 3-week studies where a number of parameters were collection both upwind and downwind of an emissions site. I have 1-min data that I have also averaged into...