In poor inner-city neighborhoods, children sometimes eat paint that is flaking off walls. This can sometimes lead to intellectual developmental disorder due of:

In classical conditioning, extinction occurs because the ______ is no longer paired with the ______

a. CS; US c. CR; UR b. US; UR d. US; UR

In a Canadian study, ______ of adolescents reported having at least one argument with their parents a week and it was the worst for ________

a. 10%; mothers and daughters b. 40%; fathers and sons c. 40%; mothers and daughters d. 60%; fathers and daughters