A child is willing to explore the environment and shows positive emotions to things that she/he does not know. This child is most likely to have:

Infants who have been sleeping through the night start waking up again between the ages of 18 and 24 months old. According to your text book, which of the following is one explanation for this?

They become more aware that they are sleeping by themselves. They have more nightmares. They watch too much television. They drink too many liquids before bedtime.

The main idea of which approach involves constructing lessons so richly that they will benefit most, if not all students?

a. Open Teaching b. Discovery Learning c. Universal Design for Instruction d. Problem-Based Learning