For which of the following psychological problems has group therapy NOT been found to be an effective treatment approach?

A researcher trains a dog to salivate to the sound of a bell by pairing the ringing of the bell with the presentation of meat. This type of learning is known as ______

a. classical conditioning c. vicarious learning b. operant conditioning d. cognitive learning

The human eye has about ________ rods

A) 125 million B) 7 million C) 10 million D) 145 million E) 90 million