It doesn’t need to be finished but it needs to be a good first draft. My researc

It doesn’t need to be finished but it needs to be a good first draft. My research is quantitative, using Longitudinal Multilevel Methods, and I need help with it. I am running the experiments on my computer, and the help is with the writing. Can someone help me with it?
My research questions are:
How is the mathematical trajectory between 1st and 4th grade? (steep, growing, flat)
When considering the differences in results by domain in 1st-grade results, is it possible to predict the differences in their mathematical trajectory?  
And the paper should be similar to: