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 107 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
:D TYSM


Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library