Animals are sometimes used in behavioral experiments because it is believed that there is a continuity of behaviors in the animal kingdom including humans

The focus of the anxiety and worry is not confined to features of an Axis I disorder, e.g., the anxiety or worry is not about having a Panic Attack (as in Panic Disorder), being embarrassed in public (as in Social Phobia), being contaminated (as in Obsessive-Compulsive Disorder), being away from home or close relatives (as in Separation Anxiety Disorder), gaining weight (as in Anorexia Nervosa), having multiple physical complaints (as in Somatization Disorder), or having a serious illness (as in Hypochondriasis); and the anxiety and worry do not occur exclusively during Post traumatic Stress Disorder.

What will be an ideal response?

Above the door to Thorndike's laboratory are the words __________ and __________

Fill in the blanks with correct word