| << Chapter < Page | Chapter >> Page > |
A The results do not apply to singletons.
B The twins were often raised in different ways.
C The twins may turn out to actually be fraternal.
D The sample sizes are often small.
Notification Switch
Would you like to follow the 'Global sociology' conversation and receive update notifications?
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|