- #1
RabbitWho
- 153
- 18
Homework Statement
Question: "What does a polygraph test measure; skin resistance or conductance?"
To me this is two sides of the same coin and it seems it must be measuring both.
Homework Equations
The Attempt at a Solution
I thought that the person is acting as a resistor so I wrote down resistance, but the answer is conductance. I could just memorise the answer but I would like to understand why.
I'm a psychology student so please speak slowly and without assuming any basic knowledge.