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

Author Question: James reads a magazine ad about a drug that doctors say may help college students perform better on ... (Read 88 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
James reads a magazine ad about a drug that doctors say may help college students perform better on multiple-choice type tests. Being the inquisitive person that he is, James decides to do an experiment to see if the magazine's claims are true. He administers the drug to one of his classes, and gives the other class a placebo. James then tests the students in both groups on material they have recently discussed in class. In this example, the experimental group is the ____.
 
  a. students who received the drug
  b. students who received the placebo
  c. test performance of the students
  d. age of the students

Question 2

Dr. Noyd conducts an experiment to determine whether talking to a psychiatrist makes depressed people less depressed. He randomly divides participants who scored highly on a depressive inventory into two groups.Group A discusses their problems with a psychiatrist while Group B does nothing.He finds that Group A shows significantly more improvement in their depression than does Group B. In Dr. Noyd's experiment, the experimental group refers to the ____.
 
  a. differences observed whether or not therapy was received
  b. individuals who discuss their problems
  c. scores on the depressive inventory
  d. random assignment



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

ANSWER:
a

Answer to Question 2

ANSWER:
b





 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

For a complete list of videos, visit our video library