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

Author Question: A study designed with a pretest, a treatment, and a posttest A) has a built-in control group. B) ... (Read 68 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
A study designed with a pretest, a treatment, and a posttest
 
  A) has a built-in control group.
  B) compares a control group with an experimental group.
  C) cannot control several confounding variables.
  D) controls most sources of confounding.

Question 2

In an experiment, there must be
 
  A) at least one level of the independent variable.
  B) at least two levels of the independent variable.
  C) at least two measures of the dependent variable.
  D) not more than two levels of the dependent variable.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B




RRMR

  • Member
  • Posts: 557
Reply 2 on: Aug 4, 2018
:D TYSM


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library