This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Nicole is studying the effects of caffeine on cognitive tasks. In her experiment, the participants ... (Read 26 times)

mspears3

  • Hero Member
  • *****
  • Posts: 586
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


mspears3

  • Member
  • Posts: 586
Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

bulacsom

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Your heart beats over 36 million times a year.

Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli. Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli.
Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ... Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ...
Adverse Effects of the Conventional Antipsychotics Adverse Effects of the Conventional Antipsychotics
The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ... The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ...
Redi Experiment Redi Experiment
Analogy showing the effects of substitution, deletion, and insertion of one letter in a sentence Analogy showing the effects of substitution, deletion, and insertion of one letter in a sentence
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library