A researcher studied rats to determine the effectiveness of a new drug on acetylcholine receptor sites. First, the rats were trained to find a reward at the end of a maze. Next the rats were randomly assigned to two groups. One group of rats were injected with the new acetylcholine-like drug. The second group of rats were injected with a saline solution. Finally,researchers measured how many mistakes the rats made as they navigated the maze Which of the following research methods was used by the researchers? A Correlational A B square B C Naturalistic observation c D Case study

Question

A researcher studied rats to determine the effectiveness of a new drug on acetylcholine receptor sites. First, the rats were trained to find a reward at the end of a maze. Next the rats were randomly assigned to two groups. One group of rats were injected with the new acetylcholine-like drug. The second group of rats were injected with a saline solution. Finally,researchers measured how many mistakes the rats made as they navigated the maze Which of the following research methods was used by the researchers? A Correlational A B square B C Naturalistic observation c D Case study

Answer 1

The research method used by the researchers in this scenario is an experiment. In an experiment, researchers manipulate one variable (in this case, the injection of the new acetylcholine-like drug or saline solution) and measure the effect on another variable (the number of mistakes made by the rats in the maze). This allows the researchers to determine the the new drug on acetylcholine receptor sites.

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