Blood pressure is one of the most commonly recorded functions in physi
ology and medicine, and it has become a major variable in recent psych
ophysiological and behavioral medicine research. Many methods have bee
n developed for the measurement of blood pressure in clinical, laborat
ory, and natural settings. The broad objectives of this report are to
summarize the most critical methodological issues in the measurement o
f blood pressure and to present principles and recommendations for the
evaluation of blood pressure methods and findings in published studie
s.