participants were instructed to focus on either white or black objects, disregarding the other color. when a red cross passed across the screen, about one third of the subjects did not notice it. this research protocol demonstrates which concept?

Does anyone know the answers for questions 1-4? plz me out if you know

"it is true that we are called a democracy, for the administration is in the hands of the many and not the few." pericles athenian statesman, 5th century b.c.e. what kind of democracy is pericles referring to? - pericles athenian statesman, 5th century b.c.e. a.representative democracy b.parliamentary democracy c.direct democracy d.presidential democracy

What obstacles did jen bricker face early in life?