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- 2018-5-29
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Hi, Kenny:4 r% z/ x. B& w9 H$ E4 V- L
2 ^- r! x n9 h' c- d' l; n5 \7 Mwhen we use HLM,there are some paper just report the fixed effect,while most time I use the random effect,so my question is when shall we use fixed or random effect and their difference?
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another question is about the ground mean and the group mean, when we test the level 2 model, should we use group mean?can you give some guidance?
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- Q! L" U: F; X I" k# NBest,, k9 g+ Y" s# a W! u% r" A
Kelly" j! Q4 n% K' [
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