Which is an example of scaffolding?

A) David helps his son build a model airplane by assembling it while his son watches.
B) Howard and Priscilla buy an Xbox game system for their 5-year-old daughter Rebecca.They set it up for her and then allow her to figure out how to turn it on and use it.
C) Richard buys a do-it-yourself kite kit for his 6-year-old daughter Angela.He lays all of the pieces out for her and then allows her to read the instructions and follow them herself.
D) Miriam helps her son Ben to make cookies.She measures all of the ingredients out and places them on the counter in small bowls.She reads the recipe aloud as Ben places the ingredients in the bowl and mixes them together with a spoon.

In a scene of a tree against a blue sky, the sky is the __________.

A) reversible pattern
B) picture
C) figure
D) ground

The central focal point in the retina where cones are heavily concentrated is known as the

A) lens.
B) optic nerve.
C) cornea.
D) fovea.

What should you expect to find if you were to compare adult speech with the variety of noises made by infants under six months of age

A)  Adults can produce more phonemes than are infants. 
B)  Adults and infants both use the same number of phonemes. 
C)  Infants produce more phonemes than adults do. 
D)  Infants produce more morphemes than adults do.

If you are asked to list all the thoughts and experiences you have while answering a test question,you would be engaging in

A) critical thinking.
B) psychoanalysis.
C) skepticism.
D) introspection.

A common characteristic of most young people whose delinquent activity persists and evolves into a life of crime is they ______.

A) demonstrate few warning signs in childhood or adolescence
B) commit their first offense in mid-adolescence
C) show multiple problem behaviors in childhood
D) come from middle-income homes with strong ties to the community