multilevel modelling

  1. T

    Are effect sizes required when reporting a Linear Mixed Model? If so, how are they calculated?

    I have undertaken an RCT and, given multiple irregular time-point measures of the DV, have used linear mixed models to analyse the results and include moderator/predictor variables. CONSORT is quite emphatic about the reporting of effect sizes. However, SPSS does not produce these for linear...
  2. M

    Longitudinal multilevel modelling- Can likelihood ratio tests be done for time-varying predictors?

    Hello, I plan on using likelihood ratio tests for longitudinal multilevel modelling and using a mixture of static predictors and time-varying predictors. I know that likelihood ratio tests are used for 'nested' models for static predictors when a new static variable is added to the model and...
  3. A

    Determine impact of historical data on current data

    Hello, everyone, I am fairly new to this forum and also new to statistics in general. I learned a little about probabilities, statistics, anova, regression but i don't really understand how to apply them to determine the correlation between the last year advertising effects and current year...
  4. R

    Studying the combined effects of mothers and fathers depression on child outcomes

    Hello everyone! I am new here and am really needing some advice on what is the best statistical method to use for my doctoral research. The aim of this study is to look at how parents' (both mothers and fathers are included) depression relates to child outcomes, for example their ability...