About ________ of 15-year-olds have regular employment during the school year

Which of the following structures is well-developed in humans at birth?

a. hippocampus b. prefrontal cortex c. thalamus d. none of these

What is a key difference between Barker's concept of behavior settings and O'Donnell's concept of activity settings?

a. whether to focus only on behavior or also on processes such as emotions and values b. whether to focus on physical or social aspects of settings c. whether to focus on social climate or social regularities d. use of environmental psychology concepts