Answer:
A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.
For example, let's imagine that researchers are investigating the effects of a new drug. In a double-blind study, the researchers who interact with the participants would not know who was receiving the actual drug and who was receiving a placebo.
Answer:
Explanation: i agree because what u r exposed to is how u act like if u watch something or r exposed to violence then u are most likely to be violent
First one; Reinforcement and second one; Biologically.
<em>Hope this helped! :)</em>
The police because he might have killed them
The 19th amendment guarantees women citizens the right to vote. Prior to the 19th amendment, only men were allowed to vote.
