Answer:
A. it affected the lives of every american
Explanation:
because in this at the start it stated (was the day that affected the lives of all americans)
Hope This Helped
Answer:
These researchers are suffering from observer bias.
Explanation:
Observer bias is also known as <em>research bias</em> and it is the tendency an individual has to <em>see what he/she wants or expects to see</em>. The researcher allows his/her expectations about what will happen to <em>affect the study's results</em> because one's subjectivity comes into play, not really being objective.
Answer:
a. worrying increases one's bodily arousal, which can prevent normal sleep
Explanation:
When one is worried their sleeping pattern will also be interrupted beaches your body does not relax and your mind is busy and not rested so you fail to reach the relaxed state that will lead to sleep .
<span>Yelinda's failure to notice the salesman has changes is best explained by change blindness. Change blindness is the perceptual event that occurs when a change is visual stimulus happens and the person doesn't notice the change.</span>
Answer: In the pivotal case of Plessy v. Ferguson in 1896, the U.S. Supreme Court ruled that racially separate facilities, if equal, did not violate the Constitution. Segregation, the Court said, was not discrimination.
Explanation: