How many presidents have won the office while failing to win a majority of the popular vote? One
Three
Five
Sixteen

When employing the core learning system, reading text books and attending class are important ways to knowledge.

On average, being married has a(n) effect on happiness.

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities