One method for measuring chronic pain asks the respondent to group statements according to how accurately they describe his/her discomfort. This would be an example of the

____________therapies for panic disorder appear to be more effective and less subject to relapse.

Fill in the blank(s) with the appropriate word(s).

An individual whose 23rd pair of chromosomes is XY

A) is a genetic male. B) has Down syndrome. C) has Turner syndrome. D) has Klinefelter syndrome.