Which of the following is a hormone that has been touted for its "antiaging" effects?

A count of the number of scores that fall within each of a series of intervals is a ________

a. normal curve b. factor analysis c. standard deviation d. frequency distribution

All of the following are true about Christopher Reeve's spinal cord injury and recovery except:

a. His therapy used electrical stimulation to exercise critical muscle groups. b. His injury was initially classified as Grade A (the category of greatest impairment). c. Reeve was able to achieve his goal of unassisted walking before his death in 2004 d. After three years of therapy Reeve regained two thirds of his touch sensation.