Multilevel Analysis

Question 1

other methods to analyze multilevel data

Answer 1

1. aggregate
2. disaggregate
3. fixed effect regression

Question 2

reml vs ml - when?

Answer 2

ml - when more interested in the fixed effects
reml - when interested in random effects

Question 3

sample size

Answer 3

better to have more level 2 units, than less level 2 and more level 1

Question 4

ICC & aggregate/disaggregate

Answer 4

when ICC = 0 and we are not interested in level-2 predictors - disaggregate