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Hi, Kenny:
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when 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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1 y( k, s+ o0 |8 |0 V- Y3 \7 Banother 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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Best,
+ s0 I) J: o2 V% Z# |Kelly5 Y" N5 o1 E; N$ h
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