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

Author Question: A sample is random when a. it includes a large number of people. b. it includes a great variety ... (Read 104 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
A sample is random when
 
  a. it includes a large number of people.
  b. it includes a great variety of types of people.
  c. each member of the population has the same chance of being part of the sample.
  d. each member is selected on the basis of a preconceived set of traits.
  e. someone besides the researcher selects it.

Question 2

Experimental and control groups in a laboratory experiment are made as comparable as possible through the processes of ____.
 
  a. qualifying and quantifying
  b. matching and randomizing
  c. pretesting and posttesting
  d. testing and retesting
  e. verification and replication



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

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

C

Answer to Question 2

B





 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

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?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library