The term "just noticeable difference" is loosely synonymous with __________

Which of the following is a leading figure in Gestalt therapy?

a. Fritz Perls b. Max Wertheimer c. Rollo May d. Albert Ellis

Middle adolescence approximately covers the age range of

A) 18 to 22 years. B) 10 to 13 years. C) 8 to 12 years. D) 14 to 17 years.