This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following represents the most serious threat to internal validity? A) selection bias ... (Read 104 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
on: Jun 19, 2018
Which of the following represents the most serious threat to internal validity?
 
  A) selection bias
  B) nonresponse bias
  C) heterogenous attrition
  D) homogeneous attrition

Question 2

Which of the following threats to validity could often be thought of as a form of attitude polarization?
 
  A) the Hawthorne effect
  B) testing effects
  C) regression toward the mean
  D) participant expectancies


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 19, 2018
Answer to Question 1

C

Answer to Question 2

B


TVarnum

  • Member
  • Posts: 548
Reply 2 on: Jun 19, 2018
YES! Correct, THANKS for helping me on my review

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Directional selection. Directional selection.
Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
The internal structures of the eye. The internal structures of the eye.
Internal Anatomy of the Spinal Cord Internal Anatomy of the Spinal Cord
bird internal bird internal
Which reaction below represents Th decay by alpha emission? Which reaction below represents Th decay by alpha emission?
Video: Brain Lobes Animation

For a complete list of videos, visit our video library