Answer:
What we focus on can include body language, which means you can see if someone is upset, or happy, etc. That would help you understand the people around you.
Explanation:
Not sure but can you give more details
Answer:
Reliable
Explanation:
Reliability is the degree to which an assessment tool produces stable and consistent results. Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.
I'm guessing the central idea of "the value of music that tickles the brain" is that music makes you smarter, increases IQ level, makes language development smoother, enhances creativity, and increases the reactions in your brain to work faster. Music has many benefits and these are just a few. You can always also just research on the topic of music effects on the brain online. Hope it helps!