While English has 26 letters, it has __________ significant sounds.

Who is an Aryan?

What are the ultimate sources of all cultural change?

The above figure shows the market for anti-freeze. The government imposes a sales tax on sellers. How much tax revenue does the government raise from this tax?

Sam buys gasoline and coffee each week. In order to draw his budget line between gasoline and coffee, Sam would have to know

Tessa, a toddler, undergoes toilet training. After a week of staying dry overnight, she experiences self-control and feels confident. In the context of Erikson’s psychosocial development stages, Tessa is in the ________ stage.

Baby Cassandra knows that when she is put in the highchair, it is time to eat. So, when her father puts her in the highchair and hands her a book, she puts the corner of the book in her mouth. According to Piaget, Cassandra’s behavior can be best explained by

Guido is in third grade. When Guido won the spelling bee, he was proud of his accomplishment. But when he could not complete his science assignment on time, he felt incompetent. Which of Erikson’s psychosocial development stages is exemplified in this scenario?

Poppy, who in Jean Piaget’s Preoperational Stage of Cognitive Development, will most likely be able to

Lydia is an 11-year-old girl in the fifth grade. Her parents let her do whatever she wants. They place no demands on her, and they place no rules or restrictions on her behavior. Lydia’s parents have a(n) ________ parenting style.