Answer:
B.học sinh có thể tham gia mọi hoạt động phòng,chống tệ nạn xã hội phù hợp vs lứa tuổi
Observer bias relates mainly to
"Researchers" whereas observer effects stem from
"participants".
Observer bias<span> which otherwise is known as experimenter bias or research bias etc. is an
inclination to observe what a researcher wishes to see. It states that the
researcher has a prior knowledge about the experiment group while observer effect
refers to the act in science when the act of observing will manipulate the experience
being observed.</span>
<span> </span>
They would help play for interstate highways
<span>Because
basically, in the first place, both are from different fields. While sociology
is more on arts, other sciences such as Physics, Biology and Chemistry are the
hard sciences. Hard sciences means that the experimentation requires a very
small amount of error, up to one percent. This experimentation uses materials
which really expensive and harmful. Meanwhile on sociology, it requires a room
of error up to five percent since some of its population is bound to different
errors such as human errors, etc.</span>
The answer in the space provided is ego integrity as this is
the final step or the final completion of ego. The ego integrity focuses more
on the person’s wholeness of which the person depicts his or her life and how
he handles circumstances such as the regrets that has happened in his or her
life.