According to the “random events” theory of biological aging,
A) DNA in body cells is gradually damaged through spontaneous or externally caused
mutations.
B) the human body wears out from use over time.
C) the existence of aging genes controls most biological changes.
D) environmental factors have little impact on human longevity.
Dan and Steven are considering getting their 4-year-old son a computer. Which of the
following statements can you share with them to best help them understand the value of
computers in early childhood?
A) Computers have no educational benefits until children are old enough to read
fluently.
B) The use of word-processing programs in early childhood inhibits writing skills
because the programs revise errors.
C) Young children who use computers to draw or write produce much less elaborate
pictures and text.
D) Combining everyday and computer experiences with math manipulatives is
especially effective in promoting math concepts and skills.
Which of the following statements about social referencing is true?
A) Mothers are more effective sources of emotional information than fathers.