Mental images or symbols (such as words) used to think about or remember an object, a person, or an event, are called ______

Who developed the first practical intelligence scale?

A) Alfred Binet B) Lewis Terman C) William Stern D) David Wechsler

________ demonstrated that electrical stimulation of the brain could be reinforcing

a. Olds and Milner b. Skinner c. Barnes and Noble d. Hull