When her grandfather stuck his tongue out at her, two-day-old Leila stuck her tongue out in return. ...

When her grandfather stuck his tongue out at her, two-day-old Leila stuck her tongue out in return. How might scientists explain her behavior?
 
  Leila's behavior was strictly coincidental.
  Mirror neurons were activated.
  She was exhibiting early signs of high intelligence.
  She was exhibiting the tongue-thrust reflex.

Question 2

The idea that the study of development involves several academic fields defines the ______ characteristic of development.
 
  multidisciplinary
  multicontextual
  plasticity
  multidirectional

Question 3

For ease of study, human development is often divided into which three domains?
 
  past, present, future
  biological, social, cognitive
  childhood, adolescence, adulthood
  multicultural, multidisciplinary, multicontextual

Question 4

Brain cells that respond to actions performed by someone else are called:
 
  motor neurons.
  mirror neurons.
  sensory neurons.
  glial cells.

Question 5

In many cultures around the world, people believe that it is the husband's responsibility to earn the majority of the income for the family. This is an example of:
 
  an ethnic belief.
  a racial bias.
  a social construction.
  heritage.

Question 6

Social constructions are ideas created by:
 
  racial origins.
  cultural backgrounds.
  society.
  ethnicity.