Troy and Britta are both infants. Troy says things like “ba-ba-ga-ga,” whereas Britta makes a lot of vowel-like noises. Therefore, Troy is ___________ and Britta is ___________.

When presented with the Heinz Dilemma, Marlee says Heinz should not steal the drug because “he will go to jail if he is caught stealing.” Marlee is reasoning at which level of moral development?

Dr. Jeffrey Arnett claims that all of the following are factors that contributed to the formation of a new developmental stage, Emerging Adulthood, EXCEPT:

A school-age child develops the ability to enjoy jokes and understand metaphors. This is an example of ______.

Solve the system of equations by the substitution method. x – 7y = -42-5x – 8y = -5

You have 13 red cars, 2 blue cars, and 5 green cars laid out on a rug. When you ask a child in the concrete operational stage if there are more cars or more red cars on the rug, the child will say:

As Dalsi solves a math problem, she rehearses the steps in her mind: Seven plus eight is fifteen. Carry the one. Write down the five… According to Vygotsky, Dalsi is producing:

Sharday is a one-year old infant. One day while she was in her crib, she wanted to move her mobile to make it sound like a wind chime. Sharday made purposeful movements and repeatedly kicked her leg to cause the mobile to chime again and again. Over time, Sharday refined her ‘kicking’ scheme. According to Piaget, Sharday’s behavior is an example of a:

During middle childhood, children realize that:

Solve the compound inequality. Other than ∅, use interval notation to express the solution set and graph the solution set on a number line.-25 ≤ -4x – 1 < -13