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 71 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
Wow, this really help

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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.

Alarm calling, a possible example of kin selection. Alarm calling, a possible example of kin selection.
Internal female reproductive tract. Internal female reproductive tract.
Activation and Clonal Selection of a Cytotoxic T Cell Activation and Clonal Selection of a Cytotoxic T Cell
Which reaction below represents Th decay by alpha emission? Which reaction below represents Th decay by alpha emission?
Clonal selection Clonal selection
Principles of Natural Selection Principles of Natural Selection
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library