ZA6701_zygosity_v7-1-0/zyg0800:

0:
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8:
none:
0:
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none:
en de
1 1: yes, I can keep them easily apart 1: yes, I can keep them easily apart
2 2: yes, but sometimes it is difficult 2: yes, but sometimes it is difficult
3 3: no, I very often mistake them for one another on photos 3: no, I very often mistake them for one another on photos
-87 -87: multiple answers -87: multiple answers
-90 -90: no participation in survey wave -90: no participation in survey wave
-92 -92: no participation in survey module -92: no participation in survey module
-93 -93: unclear classification of system missing -93: unclear classification of system missing
-94 -94: technical error / faulty insertion -94: technical error / faulty insertion
-95 -95: doesn't apply (screened out) -95: doesn't apply (screened out)
-98 -98: don't know -98: don't know
-99 -99: not specified (refused to answer) -99: not specified (refused to answer)
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Info

zyg0800

similarity of the twins in earlier photographs (m,f)

: similarity of the twins in earlier photographs (m,f)

ZA6701_zygosity_v7-1-0 – zygosity data

:

:

: F2F 1

: TwinLife

Measure Value
valid 2069
invalid 4081

German Socio-economic Panel (SOEP)