Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
SlideshowReport

In a developmental systems approach, the emergence of social smiling at 6 to 8 weeks of age is not ...

Description
In a developmental systems approach, the emergence of social smiling at 6 to 8 weeks of age is not the result of one factor (such as maturation of the brain) but of all levels of influence operating together, from genetic activity to the social environment.
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  1097 People Browsing
Your Opinion
Which is the best fuel for late night cramming?
Votes: 144

Previous poll results: What's your favorite coffee beverage?