Author Question: Think of a research experiment designed to test which diet is best at helping people lose ... (Read 60 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
Think of a research experiment designed to test which diet is best at helping people lose weightAtkins, Jenny Craig, or Weight Watchers.
 
  The results could show that the average weight lost on Atkins was 6 pounds per week and on Jenny Craig and Weight Watchers was 2 pounds per week. It is important to ask yourself if participants are dropping out of a study in a manner that might influence the results to determine if __________ is a threat to internal validity.
 
  a. testing
  b. diffusion of treatment
  c. instrumentation
  d. attrition

Question 2

The degree of spread among data when surrounding the mean is known as __________.
 
  a. statistical variance.
  b. regression to the mean.
  c. nominal variance.
  d. statistical standard deviation.



ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

For a complete list of videos, visit our video library