It is advisable to use a concrete tool like Wagner's emotional thermometer (0-10 scale) to measure stress levels, as self-assessment can be inaccurate.

“with one caveat we usually use um Wagner's um emotional thermometer to measure where the kid is at and it goes from like 0er to 10 or 1 to 10 uh with different levels of stress and and it's good to use something concrete because sometimes we think they are a 10 and they're at five or vice versa”