Dr. Singh, a scientist, wants to study how anxiety affects adolescents. For this purpose, he measures the electrical changes in their heart rates, their sweating and respiration patterns, as well as the hormonal changes in their blood. Which psychological measure has been used by Dr. Singh in this scenario

The psychological measure that has been used by Dr.singh in this scenario is physiological measures.

Explanation:

Here, Dr. singh a scientist's observations are being listed. Its been given that he wants to study about how the anxiety affects adolescents.

For measuring and observing all the points he measures the heart rates which are causing electrical changes, the respiration and the sweating pattern of individuals.

Also he is going through the hormonal changes in their blood.

So, The psychological measure that has been used by Dr.singh in this scenario is physiological measures.

Physiological measures: An accurate and precise information about an individual's body and its body's functioning like the temperature of skin, sweating, respiration,the heart rate, palmer sweat and also eye tracking by a set of instruments i called the physiological measures.

This measurment is done by identifying and monitoring thr parameter of physical body especially in the major body organs.