This topic contains a solution. Click here to go to the answer

Author Question: Nicole is studying the effects of caffeine on cognitive tasks. In her experiment, the participants ... (Read 40 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
Nicole is studying the effects of caffeine on cognitive tasks. In her experiment, the participants consume caffeine and then complete a pencil and paper task that measures their concentration and short term memory.
 
  Which is the dependent variable for the study?
 
  a) caffeine
  b) the time of day
  c) the amount of caffeine
  d) paper and pencil task
  e) the participants

Question 2

What is a particle accelerator that can generate tracers?
 
  a) cyclotron
  b) electron
  c) proton
  d) neutron
  e) alphatron



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meow1234

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A




mspears3

  • Member
  • Posts: 586
Reply 2 on: Jun 22, 2018
Excellent


ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For a complete list of videos, visit our video library