Research One: A researcher desired to test the effect of caffeine on rest. Fifty college students volunteered to participate in the research and signed up for one of two nights.

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Thirty-three students participated on Tuesday night. They each received two cups of regular coffee to drink 1 hour before going to sleep. Seventeen students participated about Wednesday nighttime. They each were given two cups of decaffeinated coffee to imbibe one hour before you go to sleep. Every single student was monitored with an ELEKTROENZEPHALOGRAPHIE (a test out that discusses brain function) to record exactly if they fell sleeping.

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Students in the caffeine group took significantly longer to fall asleep. The researcher figured caffeine interferes with the ability to get to sleep. 1 . The thing that was the 3rd party variable to get Experiment 1? 2 . The thing that was the dependent variable to get Experiment 1? 3. What components of the experiment had been set up effectively? 4. How could Experiment A single be superior?

Experiment Two: A specialist wanted to determine if a new anti-anxiety drug decreased anxiety amounts. Three hundred people were given the brand new drug and three hundred patients were given a placebo (also known as a sugar pill that does not contain virtually any medicine). All the patients had been told these people were receiving the new drug and were watched for six months. At the end of the six months, all of the patient data was reviewed and the investigator concluded that because the patients presented the placebo indicated precisely the same reduction in stress as the patients provided the new medicine, the new medication was inadequate in lowering anxiety levels. 5. The thing that was the self-employed variable for Experiment Two?

6. That which was the based mostly variable to get Experiment Two? 7. What components of the experiment had been set up effectively? 8. How could Experiment Two be better? 9. Identify how a varying was NOT manipulated in one of the two experiments.

How might this include impacted the results?

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