test method

  1. S

    Which test for hierarchical within-between design?

    Hi everyone, I'm about to design an experiment with one independent variable of three levels. However, two of the levels can be 'grouped together', and I'm quite unsure about if my experiment design makes sense, and even more important, which statistical test I can use for evaluation. For...
  2. T

    which test should i use for medical research

    Hei, I have done my experiments and now I have 5 control tests and10 different membranes to test with at least two samples each. (This is the row). And I have up to 50 different chemicals.(The column). The test it to see how much of the chemicals enter the membrane and which membrane works the...
  3. H

    Which test to use?

    Hello everyone! I need your help. I have conducted a study with three intervention and one control group. Now, I want to analyze the (ordinal scale) data for pre-post effects. What do you think, which test would be appropriate here? I have thought about the Friedman test since there are more...
  4. M

    Test for enough observations in linear probability model

    Hi, I run alinear probability regression on a binary variable of interest and various controls. The coefficient of my variable of interest is statistically insignificant and rather small (as expected). However, I want to run a test whether it is insignificant because my sample comprises too...
  5. A

    Which test to use? - SPSS

    Hello everyone, It's my first time analyzing data and putting my results in a paper... My topic is in how far the educational attainment level has an effect on social wellbeing. I did some research online and I'd like to focus on these coherences: social wellbeing as dependent variable...
  6. E

    [R] Methods to determine reliability of measurements using median and median absolute

    I have been looking for a solution to this problem for days, so I hope you can help me. I have several datasets containing hundreds of variables, measured at the same time point and with the same method. Some of these variables have been measured more often and assume consistent values. Some...
  7. Z

    Comparison of psychophysical methods for sensitivity to small changes

    Hi all I have two different psychophysical clinical test methods I can use to measure a particular quality. For the sake of explanation, lets say I want to measure hearing quality. Consider the following: - Both tests are design to quantify 'hearing quality' but they do so in different...