Which of the following is true of handedness?

Which of the following is true of handedness?
 
  A) Some infants show no hand preference during infancy.
  B) It is not influenced by genetics.
  C) Identical twins have identical hand preference.
  D) It is exclusively associated with emotional development.

Question 2

The _________ refers to the research finding that IQ scores increased some 18 points in the United States between the years of 1947 and 2002.
 
  A) Matthew effect
  B) Flynn effect
  C) Cohort effect
  D) Streisand effect

Question 3

During a recent parent-teacher meeting, the teacher explains to the parents of 3-year-old Cameron that he is in the design stage of artistic development. According to the teacher, Cameron should be able to draw _____.
 
  A) basic geometric shapes
  B) artistic pictures of landscapes
  C) combinations of the basic shapes
  D) recognizable objects like houses and airplanes

Question 4

Viagra, Levitra, and Cialis are commonly used to treat _________ .
 
  A) erectile disorder
  B) neurological disorder
  C) cancer
  D) osteoporosis

Question 5

Children's artistic development is linked to the development of _____.
 
  A) social and sensory skills
  B) conservative and redundant skills
  C) emotional and behavioral skills
  D) motor and cognitive skills