What is the type of research method that focuses on the relationship between physiological processes and behavior?

Research has associated distress with all but which of the following physical problems?

a. headaches b. fatigue c. cancer d. upset stomach e. cardiovascular problems

Pascal has a mental age of 15 and a chronological age of 20 . Using the IQ formula from the text, Pascal's IQ would be described as

a. below average. b. average. c. slightly above average. d. significantly above average. e. none of these; it cannot be determined with the information provided.