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

Author Question: Selection bias and maturation are threats to A) internal validity. B) testing. C) experimental ... (Read 69 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
Selection bias and maturation are threats to
 
  A) internal validity. B) testing.
  C) experimental mortality. D) double-blind.

Question 2

__________ samples possible telephone numbers using computer -based random sampling.
 
  Fill in the blanks with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vish98

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

A

Answer to Question 2

Random-digit dialing




NClaborn

  • Member
  • Posts: 560
Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it


  • Member
  • Posts:
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

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?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...

For a complete list of videos, visit our video library