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

Author Question: The effects of repeated testing represent a threat to internal validity primarily because A) ... (Read 85 times)

jake

  • Hero Member
  • *****
  • Posts: 538
The effects of repeated testing represent a threat to internal validity primarily because
 
  A) participants get bored.
  B) the researcher gets tired of giving the same test over and over.
  C) of regression to the mean.
  D) participants may gain proficiency through repeated practice.

Question 2

A confounding factor that can occur when observation procedures change during the study is called
 
  A) regression.
  B) maturation.
  C) selection.
  D) instrumentation.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D




jake

  • Member
  • Posts: 538
Reply 2 on: Aug 4, 2018
YES! Correct, THANKS for helping me on my review


helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

For a complete list of videos, visit our video library