What approach builds on Piaget's research and views cognition as made up of different types of individual skills, while using terminology from information-processing approaches?

From the mid-1990s until recently, teen smoking in the United States has

A) remained at a high level. B) increased somewhat. C) declined steadily. D) declined, then risen to a new peak.

The major error in inferential statistics is to commit the "sampling

error". Indicate whether the statement is true or false