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

Author Question: A cross-sectional design comparing three different ages would require three separate groups of ... (Read 133 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
A cross-sectional design comparing three different ages would require three separate groups of participants.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

When the tests (or observers) used on the posttest and the pretest differ, there is a(n) ____ threat.
 
  a. history
 b. mortality
 c. instrumentation
  d. regression



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

True

Answer to Question 2

c





 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

For a complete list of videos, visit our video library