methodology

  1. C

    single-case study

    Dear friends, I am running a single case study. I am collecting correct and incorrect responses on two similar tests in 3 moments in time. I would like to know two things: - if there exist significant differences between each of the three times within each test and where are those...
  2. K

    Detecting outlier sample sites

    I have binomial frequency data for an allele associated with populations living in mountainous. These mountains run north to south where sites are nearly fixed for this allele and lowland sites to the east that lack the allele. At the south end of the mountains is a hybrid zone. Despite the...
  3. D

    Statistic Analysis & Variable type questions

    Hello! My dissertation mentor has only told me that any methodology option would be valuable which really hasn't provided me much guidance, so I'm hoping to find some guidance here. My study is investigating the relationship between number of years enrolled in a music class and overall...
  4. Y

    help with study sample size and statistical analysis

    Hi, I'm in the preparation stages of an RCT looking to assert the effectiveness of psychological therapies for a health condition. The design will be a 3 parallel arm RCT, comparing high intensity CBT, low intensity CBT and usual care. We are thinking of collecting baseline measures (2...