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Who can explain the "household registration effect"? Thank you very much

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Who can explain the "household registration effect"? Thank you very much

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Fruit, Shafstein? Stan? 1992

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Charf Stein? 1992?

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(Brennan, 1993)?

Maugham (1996)

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? 100520? 1? 100? 20? 80? 5? 20 15 100? 20? 80? ,5? 1? 4? 15? 99

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P=0.5, 10? 10P2=0.7,?

I 1 = 10 * 0.5- 10 * 0.5? 0

I2= 10*0.7- 10*0.3=4

10? 20? 30

u 1 = 10 * 0.5- 10 * 0.5 = 0

u2= 10*0.7-30*0.3=-2

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